Subject: Re: [Mgs] Petrol

From: Max Heim <[email-masked]>
Date: Wed, 20 Sep 2023 11:33:21 -0700

I am using premium exclusively in my '66 B. It has a Gold Seal motor in 18GB spec with approx. 95K miles, and a fresh head (<10K miles). “Premium” around here is 91 octane with 10% ethanol, so it still pings occasionally on hills. I’m running a newly reconditioned points distributor, and trying to dial in the optimal timing.

Later models with low compression engines might very well run on regular.

--
Max Heim
'66 MGB
Sunnyvale, CA

> On Sep 20, 2023, at 8:32 AM, i erbs <[email-masked]> wrote:
> 
> I just got my B running for the first time and have a newbie question. I have looked online and got confusing answers.
> What grade petrol do I use? Must I use premium grade? Can I use regular?
> Thanks.
> 
> Ira Erbs
> Milwaukie, OR
> 1959 Austin Healey 100-6
> 1967 MGB Roadster
> _______________________________________________
> 
> [email-masked]
> Donate: http://www.team.net/donate.html
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From: Robert's New iPad <[email-masked]>
Date: Wed, 20 Sep 2023 17:35:39 -0400

If your engine number has L as its last digit, and you are certain that the engine has not been modified, 87 octane is fine.
	If your engine number has H as its last digit, 89 octane is a safer choice.  
	With ignition max advance at 32 BTDC and in good tune, if engine knocks/pinks when you are climbing a hill at 2500 rpm, try a higher-octane blend.  
	My engine, 9.5/1 compression, likes 89.
Bob

> On Sep 20, 2023, at 11:32 AM, i erbs <[email-masked]> wrote:
> 
> Unsubscribe: http://autox.team.net/mailman/options/mgs/[email-masked]

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From: i erbs <[email-masked]>
Date: Wed, 20 Sep 2023 14:58:22 -0700

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Thanks
I guess I'll put half a tank of US spec regular and see how it behaves

Ira Erbs
Milwaukie, OR
1959 Austin Healey 100-6
1967 MGB Roadster

On Wed, Sep 20, 2023, 2:56 PM Max Heim <[email-masked]> wrote:

> I am using premium exclusively in my '66 B. It has a Gold Seal motor in
> 18GB spec with approx. 95K miles, and a fresh head (<10K miles). =E2=80=
=9CPremium=E2=80=9D
> around here is 91 octane with 10% ethanol, so it still pings occasionally
> on hills. I=E2=80=99m running a newly reconditioned points distributor, a=
nd trying
> to dial in the optimal timing.
>
> > I just got my B running for the first time and have a newbie question. =
I
> have looked online and got confusing answers.
> > What grade petrol do I use? Must I use premium grade? Can I use regular=
?
> > Archive: http://www.team.net/pipermail/mgs http://autox.team.net/archiv=
e
> Unsubscribe: http://autox.team.net/mailman/options/mgs/[email-masked]=
m

--00000000000009bd8f0605d17ad7
Content-Transfer-Encoding: quoted-printable

<div dir=3D"auto">Thanks<div dir=3D"auto">I guess I&#39;ll put half a tank =
of US spec regular and see how it behaves<br><br><div data-smartmail=3D"gma=
il_signature" dir=3D"auto">Ira Erbs<br>Milwaukie, OR<br>1959 Austin Healey =
100-6<br>1967 MGB Roadster</div></div></div><br><div class=3D"gmail_quote">=
<div dir=3D"ltr" class=3D"gmail_attr">On Wed, Sep 20, 2023, 2:56 PM Max Hei=
m &lt;<a href=3D"mailto:[email-masked]">[email-masked]</a>&gt; wrote:<b=
r></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border=
-left:1px #ccc solid;padding-left:1ex">I am using premium exclusively in my=
 &#39;66 B. It has a Gold Seal motor in 18GB spec with approx. 95K miles, a=
nd a fresh head (&lt;10K miles). =E2=80=9CPremium=E2=80=9D around here is 9=
1 octane with 10% ethanol, so it still pings occasionally on hills. I=E2=80=
=99m running a newly reconditioned points distributor, and trying to dial i=
n the optimal timing.<br>
<br>
Later models with low compression engines might very well run on regular.<b=
r>
<br>
--<br>
Max Heim<br>
&#39;66 MGB<br>
Sunnyvale, CA<br>
<br>
<br>
&gt; On Sep 20, 2023, at 8:32 AM, i erbs &lt;<a href=3D"mailto:eyera3000@gm=
ail.com" target=3D"_blank" rel=3D"noreferrer">[email-masked]</a>&gt; w=
rote:<br>
&gt; <br>
&gt; I just got my B running for the first time and have a newbie question.=
 I have looked online and got confusing answers.<br>
&gt; What grade petrol do I use? Must I use premium grade? Can I use regula=
r?<br>
&gt; Thanks.<br>
&gt; <br>
&gt; Ira Erbs<br>
&gt; Milwaukie, OR<br>
&gt; 1959 Austin Healey 100-6<br>
&gt; 1967 MGB Roadster<br>
&gt; _______________________________________________<br>
&gt; <br>
&gt; <a href=3D"mailto:[email-masked]" target=3D"_blank" rel=3D"norefer=
rer">[email-masked]</a><br>
&gt; Donate: <a href=3D"http://www.team.net/donate.html" rel=3D"noreferrer =
noreferrer" target=3D"_blank">http://www.team.net/donate.html</a><br>
&gt; Suggested annual donation=C2=A0 $12.75<br>
&gt; <br>
&gt; Archive: <a href=3D"http://www.team.net/pipermail/mgs" rel=3D"noreferr=
er noreferrer" target=3D"_blank">http://www.team.net/pipermail/mgs</a> <a h=
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</blockquote></div>

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[email-masked]

--===============1552785592486322954==--

---

From: dave northrup <[email-masked]>
Date: Thu, 21 Sep 2023 01:43:56 +0000

These engines cost a lot to rebuild.  Regular is probably too low.  I just run premium to make sure they get enough octane, and don't burn enough that it’s a serious financial issue.  

-----Original Message-----
From: Mgs <[email-masked]> On Behalf Of Max Heim
Sent: Wednesday, September 20, 2023 1:33 PM
To: mglist <[email-masked]>
Subject: Re: [Mgs] Petrol

--
Max Heim
'66 MGB
Sunnyvale, CA

> Donate: http://www.team.net/donate.html Suggested annual donation  
> $12.75
> 
> Unsubscribe: 
> http://autox.team.net/mailman/options/mgs/[email-masked]

[email-masked]

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---

From: Paul Hunt <[email-masked]>
Date: Thu, 21 Sep 2023 08:46:41 +0100

As already said if you have a low compression engine then lower octane 
should be fine.  If high compression then you will get the benefit of 
better performance and economy with higher octane.  Low ethanol is 
better in both cases.

Because the fuel today is so different to when these cars were first 
produced the original timing specs are no longer relevant. If you get 
pinking then back off the timing until you don't at any combination of 
throttle opening, revs and load.  With high compression and high octane 
try advancing bit by bit until you get pinking, then back off a bit till 
you don't.

You are less likely to get pinking on low compression even with low 
octane fuel, so if you can run the book figures for timing without 
pinking then do so.  You might get a bit better by advancing, but you 
can advance so far that it stalls the starter but still doesn't pink.  
That's obviously too far.

PaulH.

On 20/09/2023 16:32, i erbs wrote:
> I just got my B running for the first time and have a newbie question. 
> I have looked online and got confusing answers.
> Unsubscribe: http://autox.team.net/mailman/options/mgs/[email-masked]

[email-masked]

---

From: i erbs <[email-masked]>
Date: Thu, 21 Sep 2023 08:05:11 -0700

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Content-Transfer-Encoding: quoted-printable

Good point. I just did not want to waste money if not needed. My bad g
Healey runs premium. Every once in a while I buy Low lead Aviation fuel and
give it a treat.

Ira Erbs
Milwaukie, OR
1959 Austin Healey 100-6
1967 MGB Roadster

On Wed, Sep 20, 2023, 10:13 PM dave northrup <[email-masked]> wrote:

> These engines cost a lot to rebuild.  Regular is probably too low.  I jus=
t
> run premium to make sure they get enough octane, and don't burn enough th=
at
> it=E2=80=99s a serious financial issue.
>
=9CPremium=E2=80=9D
nd trying
I
?
m

--0000000000000e92080605dfd214
Content-Transfer-Encoding: quoted-printable

<div dir=3D"auto">Good point. I just did not want to waste money if not nee=
ded. My bad g Healey runs premium. Every once in a while I buy Low lead Avi=
ation fuel and give it a treat.<br><br><div data-smartmail=3D"gmail_signatu=
re">Ira Erbs<br>Milwaukie, OR<br>1959 Austin Healey 100-6<br>1967 MGB Roads=
ter</div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gma=
il_attr">On Wed, Sep 20, 2023, 10:13 PM dave northrup &lt;<a href=3D"mailto=
:[email-masked]">[email-masked]</a>&gt; wrote:<br></div><blockquote cla=
ss=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;pa=
dding-left:1ex">These engines cost a lot to rebuild.=C2=A0 Regular is proba=
bly too low.=C2=A0 I just run premium to make sure they get enough octane, =
and don&#39;t burn enough that it=E2=80=99s a serious financial issue.=C2=
=A0 <br>
<br>
-----Original Message-----<br>
From: Mgs &lt;<a href=3D"mailto:[email-masked]" target=3D"_blan=
k" rel=3D"noreferrer">[email-masked]</a>&gt; On Behalf Of Max H=
eim<br>
Sent: Wednesday, September 20, 2023 1:33 PM<br>
To: mglist &lt;<a href=3D"mailto:[email-masked]" target=3D"_blank" rel=
=3D"noreferrer">[email-masked]</a>&gt;<br>
Subject: Re: [Mgs] Petrol<br>
<br>
I am using premium exclusively in my &#39;66 B. It has a Gold Seal motor in=
 18GB spec with approx. 95K miles, and a fresh head (&lt;10K miles). =E2=80=
=9CPremium=E2=80=9D around here is 91 octane with 10% ethanol, so it still =
pings occasionally on hills. I=E2=80=99m running a newly reconditioned poin=
ts distributor, and trying to dial in the optimal timing.<br>
<br>
Later models with low compression engines might very well run on regular.<b=
r>
<br>
--<br>
Max Heim<br>
&#39;66 MGB<br>
Sunnyvale, CA<br>
<br>
<br>
&gt; On Sep 20, 2023, at 8:32 AM, i erbs &lt;<a href=3D"mailto:eyera3000@gm=
ail.com" target=3D"_blank" rel=3D"noreferrer">[email-masked]</a>&gt; w=
rote:<br>
&gt; <br>
&gt; I just got my B running for the first time and have a newbie question.=
 I have looked online and got confusing answers.<br>
&gt; What grade petrol do I use? Must I use premium grade? Can I use regula=
r?<br>
&gt; Thanks.<br>
&gt; <br>
&gt; Ira Erbs<br>
&gt; Milwaukie, OR<br>
&gt; 1959 Austin Healey 100-6<br>
&gt; 1967 MGB Roadster<br>
&gt; _______________________________________________<br>
&gt; <br>
&gt; <a href=3D"mailto:[email-masked]" target=3D"_blank" rel=3D"norefer=
rer">[email-masked]</a><br>
&gt; Donate: <a href=3D"http://www.team.net/donate.html" rel=3D"noreferrer =
noreferrer" target=3D"_blank">http://www.team.net/donate.html</a> Suggested=
 annual donation=C2=A0 <br>
&gt; $12.75<br>
&gt; <br>
&gt; Archive: <a href=3D"http://www.team.net/pipermail/mgs" rel=3D"noreferr=
er noreferrer" target=3D"_blank">http://www.team.net/pipermail/mgs</a> <br>
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man/options/mgs/[email-masked]</a><br>
<br>
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</blockquote></div>

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--===============1736076792246887030==--

---

From: <[email-masked]>
Date: Fri, 22 Sep 2023 11:54:28 +0200

It is not for the octane grade only, that premium fuel is the best choice. 
It is best to avoid ethanol additions as much as possible. 
In the Netherlands we still can choose between 5% or 10% ethanol. 
Premium fuel 5% is the best and offers the least chance of damaging the old type of fuel lines - hoses and gaskets in the carburettors. 
It also offers 98% octane, which had the least chance of pings.
The final advantage of 5% ethanol is, that this fuel has a higher energy content, which gives a better mpg figure. 
So it is worth while to make the best choice. 
I even use 5% ethanol premium fuel in my daily driver Mazda 6, which gives a nice fuel economy and a clean fuel system.

Cheers, Hans
No BGT anymore - just enjoying MG news

-----Oorspronkelijk bericht-----
Van: Mgs <[email-masked]> Namens Paul Hunt
Verzonden: donderdag 21 september 2023 09:47
Aan: [email-masked]
Onderwerp: Re: [Mgs] Petrol

As already said if you have a low compression engine then lower octane should be fine.  If high compression then you will get the benefit of better performance and economy with higher octane.  Low ethanol is better in both cases.

Because the fuel today is so different to when these cars were first produced the original timing specs are no longer relevant. If you get pinking then back off the timing until you don't at any combination of throttle opening, revs and load.  With high compression and high octane try advancing bit by bit until you get pinking, then back off a bit till you don't.

You are less likely to get pinking on low compression even with low octane fuel, so if you can run the book figures for timing without pinking then do so.  You might get a bit better by advancing, but you can advance so far that it stalls the starter but still doesn't pink. That's obviously too far.

PaulH.

On 20/09/2023 16:32, i erbs wrote:
> http://autox.team.net/mailman/options/mgs/[email-masked]

[email-masked]

Unsubscribe: http://autox.team.net/mailman/options/mgs/[email-masked]

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From: i erbs <[email-masked]>
Date: Fri, 22 Sep 2023 06:45:04 -0700

--===============1438070470428934737==

--0000000000006f77b70605f2d184

Interesting view.
Thanks

Ira Erbs
Milwaukie, OR
1959 Austin Healey 100-6
1967 MGB Roadster

On Fri, Sep 22, 2023, 3:02 AM <[email-masked]> wrote:

> Premium fuel 5% is the best and offers the least chance of damaging the
> old type of fuel lines - hoses and gaskets in the carburettors.
> The final advantage of 5% ethanol is, that this fuel has a higher energy
> content, which gives a better mpg figure.
> I even use 5% ethanol premium fuel in my daily driver Mazda 6, which gives
> a nice fuel economy and a clean fuel system.
>
> Cheers, Hans
> better performance and economy with higher octane.  Low ethanol is better
> in both cases.
>
> throttle opening, revs and load.  With high compression and high octane try
> advancing bit by bit until you get pinking, then back off a bit till you
> don't.
>
> You are less likely to get pinking on low compression even with low octane
> fuel, so if you can run the book figures for timing without pinking then do
> so.  You might get a bit better by advancing, but you can advance so far
> that it stalls the starter but still doesn't pink. That's obviously too far.
>
> PaulH.
>
> http://autox.team.net/mailman/options/mgs/[email-masked]
>
> Unsubscribe: http://autox.team.net/mailman/options/mgs/[email-masked]
>

--0000000000006f77b70605f2d184
Content-Transfer-Encoding: quoted-printable

<div dir=3D"auto">Interesting view.<div dir=3D"auto">Thanks<br><br><div dat=
a-smartmail=3D"gmail_signature" dir=3D"auto">Ira Erbs<br>Milwaukie, OR<br>1=
959 Austin Healey 100-6<br>1967 MGB Roadster</div></div></div><br><div clas=
s=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Fri, Sep 22, 202=
3, 3:02 AM  &lt;<a href=3D"mailto:[email-masked]">h.duinhoven@planet=
.nl</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"marg=
in:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">It is not for th=
e octane grade only, that premium fuel is the best choice. <br>
It is best to avoid ethanol additions as much as possible. <br>
In the Netherlands we still can choose between 5% or 10% ethanol. <br>
Premium fuel 5% is the best and offers the least chance of damaging the old=
 type of fuel lines - hoses and gaskets in the carburettors. <br>
It also offers 98% octane, which had the least chance of pings.<br>
The final advantage of 5% ethanol is, that this fuel has a higher energy co=
ntent, which gives a better mpg figure. <br>
So it is worth while to make the best choice. <br>
I even use 5% ethanol premium fuel in my daily driver Mazda 6, which gives =
a nice fuel economy and a clean fuel system.<br>
<br>
Cheers, Hans<br>
No BGT anymore - just enjoying MG news<br>
<br>
<br>
-----Oorspronkelijk bericht-----<br>
Van: Mgs &lt;<a href=3D"mailto:[email-masked]" target=3D"_blank=
" rel=3D"noreferrer">[email-masked]</a>&gt; Namens Paul Hunt<br=
Verzonden: donderdag 21 september 2023 09:47<br>
Aan: <a href=3D"mailto:[email-masked]" target=3D"_blank" rel=3D"norefer=
rer">[email-masked]</a><br>
Onderwerp: Re: [Mgs] Petrol<br>
<br>
As already said if you have a low compression engine then lower octane shou=
ld be fine.=C2=A0 If high compression then you will get the benefit of bett=
er performance and economy with higher octane.=C2=A0 Low ethanol is better =
in both cases.<br>
<br>
Because the fuel today is so different to when these cars were first produc=
ed the original timing specs are no longer relevant. If you get pinking the=
n back off the timing until you don&#39;t at any combination of throttle op=
ening, revs and load.=C2=A0 With high compression and high octane try advan=
cing bit by bit until you get pinking, then back off a bit till you don&#39=
;t.<br>
<br>
You are less likely to get pinking on low compression even with low octane =
fuel, so if you can run the book figures for timing without pinking then do=
 so.=C2=A0 You might get a bit better by advancing, but you can advance so =
far that it stalls the starter but still doesn&#39;t pink. That&#39;s obvio=
usly too far.<br>
<br>
PaulH.<br>
<br>
On 20/09/2023 16:32, i erbs wrote:<br>
&gt; I just got my B running for the first time and have a newbie question.=
 <br>
&gt; I have looked online and got confusing answers.<br>
&gt; What grade petrol do I use? Must I use premium grade? Can I use regula=
r?<br>
&gt; Thanks.<br>
&gt;<br>
&gt; Ira Erbs<br>
&gt; Milwaukie, OR<br>
&gt; 1959 Austin Healey 100-6<br>
&gt; 1967 MGB Roadster<br>
&gt;<br>
&gt; _______________________________________________<br>
&gt;<br>
&gt; <a href=3D"mailto:[email-masked]" target=3D"_blank" rel=3D"norefer=
rer">[email-masked]</a><br>
&gt; Donate: <a href=3D"http://www.team.net/donate.html" rel=3D"noreferrer =
noreferrer" target=3D"_blank">http://www.team.net/donate.html</a> Suggested=
 annual donation=C2=A0 <br>
&gt; $12.75<br>
&gt;<br>
&gt; Archive: <a href=3D"http://www.team.net/pipermail/mgs" rel=3D"noreferr=
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[email-masked]

--===============1438070470428934737==--

---

From: David Breneman <[email-masked]>
Date: Fri, 22 Sep 2023 14:59:26 +0000 (UTC)

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   On Friday, September 22, 2023 at 03:06:28 AM PDT, [email-masked] =
<[email-masked]> wrote: =20
 > It is not for the octane grade only, that premium fuel is the best choic=
e.=20
> It is best to avoid ethanol additions as much as possible.=20
> In the Netherlands we still can choose between 5% or 10% ethanol.=20

Here in Washington, a small gas station which buys gas from an independentr=
efiner is allowed to sell alcohol-free gas, but it's heavily taxed, like 50=
 cents agallon more than ethanol-adulterated fuel.=C2=A0 (And we already ha=
ve the highestgas taxes in the US.)=C2=A0 I'm lucky that there is a grocery=
 store 1/4 mile from herethat sells alcohol-free premium, and another store=
 a mile away that sells alcohol-free regular.=C2=A0 Since I've started usin=
g alcohol-free regular gas in my lawn mover Ino longer have to have the car=
buretor rebuilt every spring.
 =20
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<html><head></head><body><div class=3D"yahoo-style-wrap" style=3D"font-fami=
ly:verdana, helvetica, sans-serif;font-size:13px;"><div id=3D"ydpdcd2dc3eya=
hoo_quoted_5729008361" class=3D"ydpdcd2dc3eyahoo_quoted">
            <div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
               =20
                <div>
                    On Friday, September 22, 2023 at 03:06:28 AM PDT, h.dui=
[email-masked] &lt;[email-masked]&gt; wrote:
                </div>
                <div><br></div>
               =20
                <div><div dir=3D"ltr">&gt; It is not for the octane grade o=
nly, that premium fuel is the best choice. <br clear=3D"none">&gt; It is be=
st to avoid ethanol additions as much as possible. <br clear=3D"none">&gt; =
In the Netherlands we still can choose between 5% or 10% ethanol. <br clear=
=3D"none"><div><br></div><div dir=3D"ltr" data-setdir=3D"false">Here in Was=
hington, a small gas station which buys gas from an independent</div><div d=
ir=3D"ltr" data-setdir=3D"false">refiner is allowed to sell alcohol-free ga=
s, but it's heavily taxed, like 50 cents a</div><div dir=3D"ltr" data-setdi=
r=3D"false">gallon more than ethanol-adulterated fuel.&nbsp; (And we alread=
y have the highest</div><div dir=3D"ltr" data-setdir=3D"false">gas taxes in=
 the US.)&nbsp; I'm lucky that there is a grocery store 1/4 mile from here<=
/div><div dir=3D"ltr" data-setdir=3D"false">that sells alcohol-free premium=
, and another store a mile away that sells alcohol-</div><div dir=3D"ltr" d=
ata-setdir=3D"false">free regular.&nbsp; Since I've started using alcohol-f=
ree regular gas in my lawn mover I</div><div dir=3D"ltr" data-setdir=3D"fal=
se">no longer have to have the carburetor rebuilt every spring.<br></div></=
div></div>
            </div>
        </div></div></body></html>
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[email-masked]

--===============0998542306184007492==--

---

From: Max Heim <[email-masked]>
Date: Fri, 22 Sep 2023 08:26:53 -0700

--===============6959874899943390556==
	boundary="Apple-Mail=_02BE9EC4-C03B-4FA9-8011-D3D74292AA60"

--Apple-Mail=_02BE9EC4-C03B-4FA9-8011-D3D74292AA60
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	charset=utf-8

I think most of the concern about ethanol is misplaced, or at least =
exaggerated.

One, who still has 50-year-old rubber parts in their engine? These =
expendable components have all been replaced multiple times at this =
point, and all the replacement hoses have been ethanol-compatible for a =
decade at least.

Two, all California fuel has contained ethanol for a long time. That=E2=80=
=99s a test involving 40 million vehicles, and probably one million =
vintage and antique vehicles, including my stable of 2 or 3. I have =
never noticed any bad effects from fuels containing up to 10% ethanol.

It seems to me that the people who are always warning about the =
=E2=80=9Cdangers=E2=80=9D of ethanol are the same people who never use =
it; that is, that have no personal experience.

--
Max Heim
[email-masked]

> On Sep 22, 2023, at 2:54 AM, <[email-masked]> =
<[email-masked]> wrote:
>=20
> It is not for the octane grade only, that premium fuel is the best =
choice.=20
> Premium fuel 5% is the best and offers the least chance of damaging =
the old type of fuel lines - hoses and gaskets in the carburettors.=20
> The final advantage of 5% ethanol is, that this fuel has a higher =
energy content, which gives a better mpg figure.=20
> So it is worth while to make the best choice.=20
> I even use 5% ethanol premium fuel in my daily driver Mazda 6, which =
gives a nice fuel economy and a clean fuel system.
> Van: Mgs <[email-masked] =
> As already said if you have a low compression engine then lower octane =
should be fine.  If high compression then you will get the benefit of =
better performance and economy with higher octane.  Low ethanol is =
better in both cases.
>=20
> Because the fuel today is so different to when these cars were first =
produced the original timing specs are no longer relevant. If you get =
pinking then back off the timing until you don't at any combination of =
throttle opening, revs and load.  With high compression and high octane =
try advancing bit by bit until you get pinking, then back off a bit till =
you don't.
>=20
> You are less likely to get pinking on low compression even with low =
octane fuel, so if you can run the book figures for timing without =
pinking then do so.  You might get a bit better by advancing, but you =
can advance so far that it stalls the starter but still doesn't pink. =
That's obviously too far.
>> I just got my B running for the first time and have a newbie =
question.=20
>> What grade petrol do I use? Must I use premium grade? Can I use =
regular?
>> Donate: http://www.team.net/donate.html Suggested annual donation =20
>> $12.75
>>=20
>> Archive: http://www.team.net/pipermail/mgs=20
>> http://autox.team.net/archive
>>=20
>> Unsubscribe:=20
> Archive: http://www.team.net/pipermail/mgs =
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--Apple-Mail=_02BE9EC4-C03B-4FA9-8011-D3D74292AA60
Content-Transfer-Encoding: quoted-printable
	charset=utf-8

<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">I =
think most of the concern about ethanol is misplaced, or at least =
exaggerated.<div class=3D""><br class=3D""></div><div class=3D"">One, =
who still has 50-year-old rubber parts in their engine? These expendable =
components have all been replaced multiple times at this point, and all =
the replacement hoses have been ethanol-compatible for a decade at =
least.</div><div class=3D""><br class=3D""></div><div class=3D"">Two, =
all California fuel has contained ethanol for a long time. That=E2=80=99s =
a test involving 40 million vehicles, and probably one million vintage =
and antique vehicles, including my stable of 2 or 3. I have never =
noticed any bad effects from fuels containing up to 10% =
ethanol.</div><div class=3D""><br class=3D""></div><div class=3D"">It =
seems to me that the people who are always warning about the =
=E2=80=9Cdangers=E2=80=9D of ethanol are the same people who never use =
it; that is, that have no personal experience.</div><div class=3D""><br =
class=3D""><div class=3D"">
--<br class=3D"">Max Heim<br class=3D""><a =
href=3D"mailto:[email-masked]" class=3D"">[email-masked]</a><br =
class=3D""><br class=3D""><br class=3D"">

</div>
<div class=3D""><br class=3D"webkit-block-placeholder"></div>

<div><br class=3D""><blockquote type=3D"cite" class=3D""><div =
class=3D"">On Sep 22, 2023, at 2:54 AM, &lt;<a =
href=3D"mailto:[email-masked]" =
class=3D"">[email-masked]</a>&gt; &lt;<a =
href=3D"mailto:[email-masked]" =
class=3D"">[email-masked]</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><meta =
charset=3D"UTF-8" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); =
font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none; float: none; display: inline !important;" =
class=3D"">It is not for the octane grade only, that premium fuel is the =
best choice.<span class=3D"Apple-converted-space">&nbsp;</span></span><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
display: inline !important;" class=3D"">It is best to avoid ethanol =
additions as much as possible.<span =
class=3D"Apple-converted-space">&nbsp;</span></span><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
display: inline !important;" class=3D"">In the Netherlands we still can =
choose between 5% or 10% ethanol.<span =
class=3D"Apple-converted-space">&nbsp;</span></span><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
display: inline !important;" class=3D"">Premium fuel 5% is the best and =
offers the least chance of damaging the old type of fuel lines - hoses =
and gaskets in the carburettors.<span =
class=3D"Apple-converted-space">&nbsp;</span></span><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
display: inline !important;" class=3D"">It also offers 98% octane, which =
had the least chance of pings.</span><br style=3D"caret-color: rgb(0, 0, =
0); font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
0); font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none; float: none; display: inline !important;" =
class=3D"">The final advantage of 5% ethanol is, that this fuel has a =
higher energy content, which gives a better mpg figure.<span =
class=3D"Apple-converted-space">&nbsp;</span></span><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
display: inline !important;" class=3D"">So it is worth while to make the =
best choice.<span class=3D"Apple-converted-space">&nbsp;</span></span><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
display: inline !important;" class=3D"">I even use 5% ethanol premium =
fuel in my daily driver Mazda 6, which gives a nice fuel economy and a =
clean fuel system.</span><br style=3D"caret-color: rgb(0, 0, 0); =
font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;" class=3D""><br style=3D"caret-color: rgb(0, 0, =
0); font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
0); font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none; float: none; display: inline !important;" =
class=3D"">Cheers, Hans</span><br style=3D"caret-color: rgb(0, 0, 0); =
font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
0); font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none; float: none; display: inline !important;" =
class=3D"">No BGT anymore - just enjoying MG news</span><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
display: inline !important;" class=3D"">-----Oorspronkelijk =
bericht-----</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: =
Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; =
font-weight: 400; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: =
Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; =
font-weight: 400; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
none; float: none; display: inline !important;" class=3D"">Van: Mgs =
&lt;</span><a href=3D"mailto:[email-masked]" =
style=3D"font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
orphans: auto; text-align: start; text-indent: 0px; text-transform: =
none; white-space: normal; widows: auto; word-spacing: 0px; =
-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" =
class=3D"">[email-masked]</a><span style=3D"caret-color: =
rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none; float: none; display: inline !important;" =
class=3D"">&gt; Namens Paul Hunt</span><br style=3D"caret-color: rgb(0, =
0, 0); font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
0); font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none; float: none; display: inline !important;" =
class=3D"">Verzonden: donderdag 21 september 2023 09:47</span><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
display: inline !important;" class=3D"">Aan:<span =
class=3D"Apple-converted-space">&nbsp;</span></span><a =
href=3D"mailto:[email-masked]" style=3D"font-family: Verdana; =
font-size: 13px; font-style: normal; font-variant-caps: normal; =
font-weight: 400; letter-spacing: normal; orphans: auto; text-align: =
start; text-indent: 0px; text-transform: none; white-space: normal; =
widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; =
-webkit-text-stroke-width: 0px;" class=3D"">[email-masked]</a><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
display: inline !important;" class=3D"">Onderwerp: Re: [Mgs] =
Petrol</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: =
Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; =
font-weight: 400; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
none;" class=3D""><br style=3D"caret-color: rgb(0, 0, 0); font-family: =
Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; =
font-weight: 400; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: =
Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; =
font-weight: 400; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
none; float: none; display: inline !important;" class=3D"">As already =
said if you have a low compression engine then lower octane should be =
fine. &nbsp;If high compression then you will get the benefit of better =
performance and economy with higher octane. &nbsp;Low ethanol is better =
in both cases.</span><br style=3D"caret-color: rgb(0, 0, 0); =
font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;" class=3D""><br style=3D"caret-color: rgb(0, 0, =
0); font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
0); font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none; float: none; display: inline !important;" =
class=3D"">Because the fuel today is so different to when these cars =
were first produced the original timing specs are no longer relevant. If =
you get pinking then back off the timing until you don't at any =
combination of throttle opening, revs and load. &nbsp;With high =
compression and high octane try advancing bit by bit until you get =
pinking, then back off a bit till you don't.</span><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
display: inline !important;" class=3D"">You are less likely to get =
pinking on low compression even with low octane fuel, so if you can run =
the book figures for timing without pinking then do so. &nbsp;You might =
get a bit better by advancing, but you can advance so far that it stalls =
the starter but still doesn't pink. That's obviously too far.</span><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
display: inline !important;" class=3D"">PaulH.</span><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
display: inline !important;" class=3D"">On 20/09/2023 16:32, i erbs =
wrote:</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: =
Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; =
font-weight: 400; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
none;" class=3D""><blockquote type=3D"cite" style=3D"font-family: =
Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; =
font-weight: 400; letter-spacing: normal; orphans: auto; text-align: =
start; text-indent: 0px; text-transform: none; white-space: normal; =
widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D"">I =
just got my B running for the first time and have a newbie =
question.<span class=3D"Apple-converted-space">&nbsp;</span><br =
class=3D"">I have looked online and got confusing answers.<br =
class=3D"">What grade petrol do I use? Must I use premium grade? Can I =
use regular?<br class=3D"">Thanks.<br class=3D""><br class=3D"">Ira =
Erbs<br class=3D"">Milwaukie, OR<br class=3D"">1959 Austin Healey =
100-6<br class=3D"">1967 MGB Roadster<br class=3D""><br =
class=3D"">_______________________________________________<br =
class=3D""><br class=3D""><a href=3D"mailto:[email-masked]" =
class=3D"">[email-masked]</a><br class=3D"">Donate: =
class=3D"">$12.75<br class=3D""><br class=3D"">Archive: =
http://www.team.net/pipermail/mgs<span =
class=3D"Apple-converted-space">&nbsp;</span><br =
class=3D"">http://autox.team.net/archive<br class=3D""><br =
class=3D"">Unsubscribe:<span =
class=3D"Apple-converted-space">&nbsp;</span><br =
class=3D"">http://autox.team.net/mailman/options/mgs/[email-masked]=
<br class=3D""></blockquote><span style=3D"caret-color: rgb(0, 0, 0); =
font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none; float: none; display: inline !important;" =
class=3D"">_______________________________________________</span><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
display: inline !important;" class=3D""><a =
href=3D"mailto:[email-masked]" =
class=3D"">[email-masked]</a></span><br style=3D"caret-color: rgb(0, =
0, 0); font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
0); font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none; float: none; display: inline !important;" =
class=3D"">Donate: <a href=3D"http://www.team.net/donate.html" =
class=3D"">http://www.team.net/donate.html</a></span><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
display: inline !important;" class=3D"">Suggested annual donation =
&nbsp;$12.75</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: =
Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; =
font-weight: 400; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
none;" class=3D""><br style=3D"caret-color: rgb(0, 0, 0); font-family: =
Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; =
font-weight: 400; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: =
Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; =
font-weight: 400; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
none; float: none; display: inline !important;" class=3D"">Archive: <a =
href=3D"http://www.team.net/pipermail/mgs" =
class=3D"">http://www.team.net/pipermail/mgs</a> <a =
href=3D"http://autox.team.net/archive" =
class=3D"">http://autox.team.net/archive</a></span><br =
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13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
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display: inline !important;" class=3D"">Unsubscribe:<span =
class=3D"Apple-converted-space">&nbsp;</span></span><a =
href=3D"http://autox.team.net/mailman/options/mgs/[email-masked]" =
style=3D"font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
orphans: auto; text-align: start; text-indent: 0px; text-transform: =
none; white-space: normal; widows: auto; word-spacing: 0px; =
-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" =
class=3D"">http://autox.team.net/mailman/options/mgs/[email-masked]=
</a><br style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; =
font-size: 13px; font-style: normal; font-variant-caps: normal; =
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text-indent: 0px; text-transform: none; white-space: normal; =
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none;" class=3D""><br style=3D"caret-color: rgb(0, 0, 0); font-family: =
Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; =
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text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
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Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; =
font-weight: 400; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
none; float: none; display: inline !important;" =
class=3D"">_______________________________________________</span><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><a =
href=3D"mailto:[email-masked]" style=3D"font-family: Verdana; =
font-size: 13px; font-style: normal; font-variant-caps: normal; =
font-weight: 400; letter-spacing: normal; orphans: auto; text-align: =
start; text-indent: 0px; text-transform: none; white-space: normal; =
widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; =
-webkit-text-stroke-width: 0px;" class=3D"">[email-masked]</a><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none; float: none; =
display: inline !important;" class=3D"">Donate:<span =
class=3D"Apple-converted-space">&nbsp;</span></span><a =
href=3D"http://www.team.net/donate.html" style=3D"font-family: Verdana; =
font-size: 13px; font-style: normal; font-variant-caps: normal; =
font-weight: 400; letter-spacing: normal; orphans: auto; text-align: =
start; text-indent: 0px; text-transform: none; white-space: normal; =
widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; =
-webkit-text-stroke-width: 0px;" =
class=3D"">http://www.team.net/donate.html</a><br style=3D"caret-color: =
rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, =
0); font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none; float: none; display: inline !important;" =
class=3D"">Suggested annual donation &nbsp;$12.75</span><br =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
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[email-masked]

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---

From: dave northrup <[email-masked]>
Date: Fri, 22 Sep 2023 19:36:27 +0000

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	boundary="_000_37b690c76c1949cea4c90d07b23dba48ranteercom_"

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[email-masked]

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From: i erbs <[email-masked]>
Date: Fri, 22 Sep 2023 17:39:28 -0700

--===============2851125900159789870==

--000000000000bb40fe0605fbf5dd
Content-Transfer-Encoding: quoted-printable

Ethanol makes big Agra happy=3D more political donations.
My back g Healey was built in 1976. Have replaced my hoses and rebuilt my
carbs twice.
I just had all fuel hoses replaced and top of carbs rebuilt before refiring
the engine on my 67B
I give my Healey low lead Aviation gas every so often, but try to run
ethanol free high test. Will do the same with the B .

I don't drive either one enough to burn the valve seats.
Happy motoring.
Our driver  season is nearing its end. I hope the B will extend it with
roll up windows.

Ira Erbs
Milwaukie, OR
1959 Austin Healey 100-6
1967 MGB Roadster

On Fri, Sep 22, 2023, 5:18 PM dave northrup <[email-masked]> wrote:

> The biggest concern about ethanol is that it absorbs water over time and
> degrades.  See this article:
> https://www.goldeagle.com/tips-tools/what-are-the-effects-of-ethanol-in-g=
asoline-and-how-to-protect-your-engines-against-it/
>
>
>
> Also, it may or may not be an improvement from an environmental standpoin=
t
> given the energy, land requirements, fertilizer, etc, required to plant,
> grow, harvest, and process the corn.
>
>
>
> https://www.treehugger.com/the-pros-and-cons-of-ethanol-fuel-1203777
>
>
>
>
>
>
>
> *From:* Mgs <[email-masked]> *On Behalf Of *Max Heim
> *Sent:* Friday, September 22, 2023 10:27 AM
> *To:* mglist <[email-masked]>
> *Subject:* Re: [Mgs] Petrol
>
>
>
> I think most of the concern about ethanol is misplaced, or at least
> exaggerated.
>
>
>
> One, who still has 50-year-old rubber parts in their engine? These
> expendable components have all been replaced multiple times at this point=
,
> and all the replacement hoses have been ethanol-compatible for a decade a=
t
> least.
>
>
>
> Two, all California fuel has contained ethanol for a long time. That=E2=
=80=99s a
> test involving 40 million vehicles, and probably one million vintage and
> antique vehicles, including my stable of 2 or 3. I have never noticed any
> bad effects from fuels containing up to 10% ethanol.
>
>
>
> It seems to me that the people who are always warning about the =E2=80=9C=
dangers=E2=80=9D
> of ethanol are the same people who never use it; that is, that have no
> personal experience.
>
>
>
> --
> Max Heim
> [email-masked]
>
>
>
>
>
> On Sep 22, 2023, at 2:54 AM, <[email-masked]> <
> [email-masked]> wrote:
>
>
>
> It is not for the octane grade only, that premium fuel is the best choice=
.
> I even use 5% ethanol premium fuel in my daily driver Mazda 6, which give=
s
> throttle opening, revs and load.  With high compression and high octane t=
ry
> You are less likely to get pinking on low compression even with low octan=
e
> fuel, so if you can run the book figures for timing without pinking then =
do
> that it stalls the starter but still doesn't pink. That's obviously too f=
ar.
m

--000000000000bb40fe0605fbf5dd
Content-Transfer-Encoding: quoted-printable

<div dir=3D"auto"><div>Ethanol makes big Agra happy=3D more political donat=
ions.</div><div dir=3D"auto">My back g Healey was built in 1976. Have repla=
ced my hoses and rebuilt my carbs twice.</div><div dir=3D"auto">I just had =
all fuel hoses replaced and top of carbs rebuilt before refiring the engine=
 on my 67B=C2=A0</div><div dir=3D"auto">I give my Healey low lead Aviation =
gas every so often, but try to run ethanol free high test. Will do the same=
 with the B .</div><div dir=3D"auto"><br></div><div dir=3D"auto">I don&#39;=
t drive either one enough to burn the valve seats.</div><div dir=3D"auto">H=
appy motoring.</div><div dir=3D"auto">Our driver=C2=A0 season is nearing it=
s end. I hope the B will extend it with roll up windows.<br><br><div data-s=
martmail=3D"gmail_signature" dir=3D"auto">Ira Erbs<br>Milwaukie, OR<br>1959=
 Austin Healey 100-6<br>1967 MGB Roadster</div><br><div class=3D"gmail_quot=
e" dir=3D"auto"><div dir=3D"ltr" class=3D"gmail_attr">On Fri, Sep 22, 2023,=
 5:18 PM dave northrup &lt;<a href=3D"mailto:[email-masked]">dave@ranteer=
.com</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"mar=
gin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

<div lang=3D"EN-US" link=3D"blue" vlink=3D"purple" style=3D"word-wrap:break=
-word">
<div class=3D"m_6120575802208623400WordSection1">
<p class=3D"MsoNormal">The biggest concern about ethanol is that it absorbs=
 water over time and degrades.=C2=A0 See this article:=C2=A0
<a href=3D"https://www.goldeagle.com/tips-tools/what-are-the-effects-of-eth=
anol-in-gasoline-and-how-to-protect-your-engines-against-it/" target=3D"_bl=
ank" rel=3D"noreferrer">
https://www.goldeagle.com/tips-tools/what-are-the-effects-of-ethanol-in-gas=
oline-and-how-to-protect-your-engines-against-it/</a><u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal">Also, it may or may not be an improvement from an en=
vironmental standpoint given the energy, land requirements, fertilizer, etc=
, required to plant, grow, harvest, and process the corn.<u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal"><a href=3D"https://www.treehugger.com/the-pros-and-c=
ons-of-ethanol-fuel-1203777" target=3D"_blank" rel=3D"noreferrer">https://w=
ww.treehugger.com/the-pros-and-cons-of-ethanol-fuel-1203777</a><u></u><u></=
u></p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<div>
<div style=3D"border:none;border-top:solid #e1e1e1 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b>From:</b> Mgs &lt;<a href=3D"mailto:mgs-bounces@a=
utox.team.net" target=3D"_blank" rel=3D"noreferrer">[email-masked].=
net</a>&gt; <b>On Behalf Of
</b>Max Heim<br>
<b>Sent:</b> Friday, September 22, 2023 10:27 AM<br>
<b>To:</b> mglist &lt;<a href=3D"mailto:[email-masked]" target=3D"_blan=
k" rel=3D"noreferrer">[email-masked]</a>&gt;<br>
<b>Subject:</b> Re: [Mgs] Petrol<u></u><u></u></p>
</div>
</div>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal">I think most of the concern about ethanol is misplac=
ed, or at least exaggerated.<u></u><u></u></p>
<div>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal">One, who still has 50-year-old rubber parts in their=
 engine? These expendable components have all been replaced multiple times =
at this point, and all the replacement hoses have been ethanol-compatible f=
or a decade at least.<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal">Two, all California fuel has contained ethanol for a=
 long time. That=E2=80=99s a test involving 40 million vehicles, and probab=
ly one million vintage and antique vehicles, including my stable of 2 or 3.=
 I have never noticed any bad effects from
 fuels containing up to 10% ethanol.<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal">It seems to me that the people who are always warnin=
g about the =E2=80=9Cdangers=E2=80=9D of ethanol are the same people who ne=
ver use it; that is, that have no personal experience.<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt">--<br>
Max Heim<br>
<a href=3D"mailto:[email-masked]" target=3D"_blank" rel=3D"noreferrer">mv=
[email-masked]</a><br>
<br>
<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><br>
<br>
<u></u><u></u></p>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class=3D"MsoNormal">On Sep 22, 2023, at 2:54 AM, &lt;<a href=3D"mailto:h=
[email-masked]" target=3D"_blank" rel=3D"noreferrer">h.duinhoven@plan=
et.nl</a>&gt; &lt;<a href=3D"mailto:[email-masked]" target=3D"_blank=
" rel=3D"noreferrer">[email-masked]</a>&gt; wrote:<u></u><u></u></p>
</div>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Ve=
rdana&quot;,sans-serif">It is not for the octane grade only, that premium f=
uel is the best choice.<span class=3D"m_6120575802208623400apple-converted-=
space">=C2=A0</span><br>
It is best to avoid ethanol additions as much as possible.<span class=3D"m_=
6120575802208623400apple-converted-space">=C2=A0</span><br>
In the Netherlands we still can choose between 5% or 10% ethanol.<span clas=
s=3D"m_6120575802208623400apple-converted-space">=C2=A0</span><br>
Premium fuel 5% is the best and offers the least chance of damaging the old=
 type of fuel lines - hoses and gaskets in the carburettors.<span class=3D"=
m_6120575802208623400apple-converted-space">=C2=A0</span><br>
It also offers 98% octane, which had the least chance of pings.<br>
The final advantage of 5% ethanol is, that this fuel has a higher energy co=
ntent, which gives a better mpg figure.<span class=3D"m_6120575802208623400=
apple-converted-space">=C2=A0</span><br>
So it is worth while to make the best choice.<span class=3D"m_6120575802208=
623400apple-converted-space">=C2=A0</span><br>
I even use 5% ethanol premium fuel in my daily driver Mazda 6, which gives =
a nice fuel economy and a clean fuel system.<br>
<br>
Cheers, Hans<br>
No BGT anymore - just enjoying MG news<br>
<br>
<br>
-----Oorspronkelijk bericht-----<br>
Van: Mgs &lt;</span><a href=3D"mailto:[email-masked]" target=3D=
"_blank" rel=3D"noreferrer"><span style=3D"font-size:10.0pt;font-family:&qu=
ot;Verdana&quot;,sans-serif">[email-masked]</span></a><span sty=
le=3D"font-size:10.0pt;font-family:&quot;Verdana&quot;,sans-serif">&gt; Nam=
ens Paul Hunt<br>
Verzonden: donderdag 21 september 2023 09:47<br>
Aan:<span class=3D"m_6120575802208623400apple-converted-space">=C2=A0</span=
></span><a href=3D"mailto:[email-masked]" target=3D"_blank" rel=3D"nore=
ferrer"><span style=3D"font-size:10.0pt;font-family:&quot;Verdana&quot;,san=
s-serif">[email-masked]</span></a><span style=3D"font-size:10.0pt;font-=
family:&quot;Verdana&quot;,sans-serif"><br>
Onderwerp: Re: [Mgs] Petrol<br>
<br>
As already said if you have a low compression engine then lower octane shou=
ld be fine.=C2=A0 If high compression then you will get the benefit of bett=
er performance and economy with higher octane.=C2=A0 Low ethanol is better =
in both cases.<br>
<br>
Because the fuel today is so different to when these cars were first produc=
ed the original timing specs are no longer relevant. If you get pinking the=
n back off the timing until you don&#39;t at any combination of throttle op=
ening, revs and load.=C2=A0 With high compression
 and high octane try advancing bit by bit until you get pinking, then back =
off a bit till you don&#39;t.<br>
<br>
You are less likely to get pinking on low compression even with low octane =
fuel, so if you can run the book figures for timing without pinking then do=
 so.=C2=A0 You might get a bit better by advancing, but you can advance so =
far that it stalls the starter but still
 doesn&#39;t pink. That&#39;s obviously too far.<br>
<br>
PaulH.<br>
<br>
On 20/09/2023 16:32, i erbs wrote:<br style=3D"font-variant-caps:normal;tex=
t-align:start;word-spacing:0px">
<br>
</span><u></u><u></u></p>
<blockquote style=3D"margin-top:5.0pt;margin-bottom:5.0pt">
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:&quot;Ve=
rdana&quot;,sans-serif">I just got my B running for the first time and have=
 a newbie question.<span class=3D"m_6120575802208623400apple-converted-spac=
e">=C2=A0</span><br>
I have looked online and got confusing answers.<br>
What grade petrol do I use? Must I use premium grade? Can I use regular?<br=
Thanks.<br>
<br>
Ira Erbs<br>
Milwaukie, OR<br>
1959 Austin Healey 100-6<br>
1967 MGB Roadster<br>
<br>
_______________________________________________<br>
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[email-masked]

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From: Paul Hunt <[email-masked]>
Date: Sat, 23 Sep 2023 09:03:46 +0100

The problem with hoses isn't ethanol but the rubbish rubber that they 
are made from these days.  I've had replacement hoses fail while what 
were almost certainly original were still on the car and sound.  
Eventually I removed those and checked them and they were completely 
crack free even when slit lengthwise and opened out. I've had replaced 
carb hoses crack under the braiding, which is impossible to see until 
they actually start leaking, I won't use braided anywhere now.

The usual scare-mongering claim with water in ethanol is that it rots 
tanks so you should brim them over winter.  But that doesn't 'hold 
water' either because ethanol fuels can absorb far more water than 
non-ethanol fuels so there is less liquid water in contact with the tank 
in any case because there is no more water vapour getting into tanks 
containing ethanol fuels than there always was with non-ethanol.  
Absorbed water vapour has no effect on anything in the system other than 
a slight reduction in performance.  If it wasn't being absorbed and 
going though the system causing no harm it would lie in the bottom, 
build up, and eventually be sucked into the system when it reaches the 
filter at the bottom of the tank.  Liquid water in fuel has a far 
greater propensity to damage the engine than absorbed water vapour.

Avoiding ethanol where possible, and using lower dosages, is purely 
about the possible long-term damage that MAY happen in our cars.  
Vintage and veteran cars used materials in their fuel systems that are 
more vulnerable so it is more applicable to them anyway.

The thing I do agree with is that it is scaremongering and being seized 
on by companies to sell you stuff you don't need.  We went though all 
this before with unleaded.

PaulH.

[email-masked]