Subject: Re: [6pack] [TR] Spark Plug Heat Range

From: Rochlin Robert <[email-masked]>
Date: Thu, 8 Jun 2023 09:54:23 -0400

I appreciate all the great feedback on my question about spark plug heat range options.  It seems that if I want to incrementally go to a cooler (or hotter) plug then NGK seems be the way to go.  Champions  are unavailable in a number of heat ranges and the information on their web site is confusing.
	I’ve spent a lot of time this Spring doing unexpected work on the 6 including suspension work and fuel delivery issues.  All that is now sorted and my plan is to spend some quality cruising time this afternoon. 
	Happy Motoring.
	Bob

> On Jun 7, 2023, at 10:18 AM, dave northrup <[email-masked]> wrote:
> 
> I would suggest that first you advance the timing.  You no longer have a stock engine and therefore should not rely on the stock timing.  
> 
> Some of my old time mechanic friends have suggested that with these cars you should advance the timing until it pings, then back it off a bit.  Just a suggestion.
> 
> Also - do you still have the carbon cannister?  That's actually a source of air when you turn the engine off and could be part of the problem.  our car runs better without it.  just eliminate the branch that goes to it.  but be careful about the pipe that goes back to the gas tank.  That has to be free and clear or your engine will quit running due to fuel starvation because air is not coming in to replace the gasoline that is going out.  you can just leave the pipe that comes from the back; tie it down and leave it open.  And you won't get a gas smell in the garage.
> 
> Failing that, I would recommend talking to Richard Good.  He is very knowledgeable and happy to talk to a customer.
> 
> We did what you did, with the GP mild cam, triple carbs, lightened flywheel, polished, ported, and shaved head, decked block, etc., etc.  we are running about 11 to 1 compression.  Our timing is pretty advanced; never use a timing light.  We don't have a problem with dieseling.  I'm not sure I'm the one to solve the problem for you  but it just seems wrong to me that you are having this problem; I don't think it's the plugs.
> 
> -----Original Message-----
> From: Robert Rochlin <[email-masked]> 
> Sent: Wednesday, June 7, 2023 8:35 AM
> To: dave northrup <[email-masked]>
> Subject: Re: [TR] [6pack] Spark Plug Heat Range
> 
> Hi Dave
>  Very occasionally my car diesels when I shut down.  I rebuilt the engine a few years ago increasing the compression and putting in a Goodparts cam.  The timing is spot on and the car runs great. My reasoning is that a bit colder plug may eliminate the hot spot source of the occasional dieseling.   
> Best,
> Bob
> Sent from my iPhone
> 
>> On Jun 7, 2023, at 9:24 AM, dave northrup <[email-masked]> wrote:
>> 
>> are
> 

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From: Doug Hoffman <[email-masked]>
Date: Thu, 8 Jun 2023 18:10:01 +0000 (UTC)

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 Bob, Just a reminder that NGK plugs get hotter as the number goes lower (t=
he reverse of Champions). You may already know this, but as an example a BP=
R5ES runs hotter than a BPR6ES.Hoff
    On Thursday, June 8, 2023 at 10:51:10 AM EDT, Rochlin Robert <rrochlin@=
comcast.net> wrote: =20
=20
 =C2=A0=C2=A0=C2=A0 I appreciate all the great feedback on my question abou=
t spark plug heat range options.=C2=A0 It seems that if I want to increment=
ally go to a cooler (or hotter) plug then NGK seems be the way to go.=C2=A0=
 Champions=C2=A0 are unavailable in a number of heat ranges and the informa=
tion on their web site is confusing.
=C2=A0=C2=A0=C2=A0 I=E2=80=99ve spent a lot of time this Spring doing unexp=
ected work on the 6 including suspension work and fuel delivery issues.=C2=
=A0 All that is now sorted and my plan is to spend some quality cruising ti=
me this afternoon.=20
=C2=A0=C2=A0=C2=A0 Happy Motoring.
=C2=A0=C2=A0=C2=A0 Bob

>=20
> I would suggest that first you advance the timing.=C2=A0 You no longer ha=
ve a stock engine and therefore should not rely on the stock timing.=C2=A0=
=20
>=20
> Some of my old time mechanic friends have suggested that with these cars =
you should advance the timing until it pings, then back it off a bit.=C2=A0=
 Just a suggestion.
>=20
> Also - do you still have the carbon cannister?=C2=A0 That's actually a so=
urce of air when you turn the engine off and could be part of the problem.=
=C2=A0 our car runs better without it.=C2=A0 just eliminate the branch that=
 goes to it.=C2=A0 but be careful about the pipe that goes back to the gas =
tank.=C2=A0 That has to be free and clear or your engine will quit running =
due to fuel starvation because air is not coming in to replace the gasoline=
 that is going out.=C2=A0 you can just leave the pipe that comes from the b=
ack; tie it down and leave it open.=C2=A0 And you won't get a gas smell in =
the garage.
>=20
> Failing that, I would recommend talking to Richard Good.=C2=A0 He is very=
 knowledgeable and happy to talk to a customer.
>=20
> We did what you did, with the GP mild cam, triple carbs, lightened flywhe=
el, polished, ported, and shaved head, decked block, etc., etc.=C2=A0 we ar=
e running about 11 to 1 compression.=C2=A0 Our timing is pretty advanced; n=
ever use a timing light.=C2=A0 We don't have a problem with dieseling.=C2=
=A0 I'm not sure I'm the one to solve the problem for you=C2=A0 but it just=
 seems wrong to me that you are having this problem; I don't think it's the=
 plugs.
>=20
> From: Robert Rochlin <[email-masked]>=20
>=20
>=C2=A0 Very occasionally my car diesels when I shut down.=C2=A0 I rebuilt =
the engine a few years ago increasing the compression and putting in a Good=
parts cam.=C2=A0 The timing is spot on and the car runs great. My reasoning=
 is that a bit colder plug may eliminate the hot spot source of the occasio=
nal dieseling.=C2=A0=20
>=20
>>=20
>=20

[email-masked]

aol.com

 =20
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<html><head></head><body><div class=3D"ydp8cff2b83yahoo-style-wrap" style=
=3D"font-family:Arial, Helvetica, sans-serif;font-size:16px;"><div></div>
        <div dir=3D"ltr" data-setdir=3D"false">Bob, Just a reminder that NG=
K plugs get hotter as the number goes lower (the reverse of Champions). You=
 may already know this, but as an example a BPR5ES runs hotter than a BPR6E=
S.</div><div dir=3D"ltr" data-setdir=3D"false">Hoff</div><div><br></div>
       =20
        </div><div id=3D"ydp885d8c15yahoo_quoted_6303330852" class=3D"ydp88=
5d8c15yahoo_quoted">
            <div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
               =20
                <div>
                    On Thursday, June 8, 2023 at 10:51:10 AM EDT, Rochlin R=
obert &lt;[email-masked]&gt; wrote:
                </div>
                <div><br></div>
                <div><br></div>
                <div><div dir=3D"ltr">&nbsp;&nbsp;&nbsp; I appreciate all t=
he great feedback on my question about spark plug heat range options.&nbsp;=
 It seems that if I want to incrementally go to a cooler (or hotter) plug t=
hen NGK seems be the way to go.&nbsp; Champions&nbsp; are unavailable in a =
number of heat ranges and the information on their web site is confusing.<b=
r></div><div dir=3D"ltr">&nbsp;&nbsp;&nbsp; I=E2=80=99ve spent a lot of tim=
e this Spring doing unexpected work on the 6 including suspension work and =
fuel delivery issues.&nbsp; All that is now sorted and my plan is to spend =
some quality cruising time this afternoon. <br></div><div dir=3D"ltr">&nbsp=
;&nbsp;&nbsp; Happy Motoring.<br></div><div dir=3D"ltr">&nbsp;&nbsp;&nbsp; =
Bob<br></div><div dir=3D"ltr"><br></div><div dir=3D"ltr">&gt; On Jun 7, 202=
3, at 10:18 AM, dave northrup &lt;<a href=3D"mailto:[email-masked]" rel=
=3D"nofollow" target=3D"_blank">[email-masked]</a>&gt; wrote:<br></div><d=
iv dir=3D"ltr">&gt; <br></div><div dir=3D"ltr">&gt; I would suggest that fi=
rst you advance the timing.&nbsp; You no longer have a stock engine and the=
refore should not rely on the stock timing.&nbsp; <br></div><div dir=3D"ltr=
">&gt; <br></div><div dir=3D"ltr">&gt; Some of my old time mechanic friends=
 have suggested that with these cars you should advance the timing until it=
 pings, then back it off a bit.&nbsp; Just a suggestion.<br></div><div dir=
=3D"ltr">&gt; <br></div><div dir=3D"ltr">&gt; Also - do you still have the =
carbon cannister?&nbsp; That's actually a source of air when you turn the e=
ngine off and could be part of the problem.&nbsp; our car runs better witho=
ut it.&nbsp; just eliminate the branch that goes to it.&nbsp; but be carefu=
l about the pipe that goes back to the gas tank.&nbsp; That has to be free =
and clear or your engine will quit running due to fuel starvation because a=
ir is not coming in to replace the gasoline that is going out.&nbsp; you ca=
n just leave the pipe that comes from the back; tie it down and leave it op=
en.&nbsp; And you won't get a gas smell in the garage.<br></div><div dir=3D=
"ltr">&gt; <br></div><div dir=3D"ltr">&gt; Failing that, I would recommend =
talking to Richard Good.&nbsp; He is very knowledgeable and happy to talk t=
o a customer.<br></div><div dir=3D"ltr">&gt; <br></div><div dir=3D"ltr">&gt=
; We did what you did, with the GP mild cam, triple carbs, lightened flywhe=
el, polished, ported, and shaved head, decked block, etc., etc.&nbsp; we ar=
e running about 11 to 1 compression.&nbsp; Our timing is pretty advanced; n=
ever use a timing light.&nbsp; We don't have a problem with dieseling.&nbsp=
; I'm not sure I'm the one to solve the problem for you&nbsp; but it just s=
eems wrong to me that you are having this problem; I don't think it's the p=
lugs.<br></div><div dir=3D"ltr">&gt; <br></div><div dir=3D"ltr">&gt; -----O=
riginal Message-----<br></div><div dir=3D"ltr">&gt; From: Robert Rochlin &l=
t;<a href=3D"mailto:[email-masked]" rel=3D"nofollow" target=3D"_blank=
">[email-masked]</a>&gt; <br></div><div dir=3D"ltr">&gt; Sent: Wednes=
day, June 7, 2023 8:35 AM<br></div><div dir=3D"ltr">&gt; To: dave northrup =
&lt;<a href=3D"mailto:[email-masked]" rel=3D"nofollow" target=3D"_blank">=
[email-masked]</a>&gt;<br></div><div dir=3D"ltr">&gt; Subject: Re: [TR] [=
6pack] Spark Plug Heat Range<br></div><div dir=3D"ltr">&gt; <br></div><div =
dir=3D"ltr">&gt; Hi Dave<br></div><div dir=3D"ltr">&gt;&nbsp; Very occasion=
ally my car diesels when I shut down.&nbsp; I rebuilt the engine a few year=
s ago increasing the compression and putting in a Goodparts cam.&nbsp; The =
timing is spot on and the car runs great. My reasoning is that a bit colder=
 plug may eliminate the hot spot source of the occasional dieseling.&nbsp; =
 <br></div><div dir=3D"ltr">&gt; Best,<br></div><div dir=3D"ltr">&gt; Bob<b=
r></div><div dir=3D"ltr">&gt; Sent from my iPhone<br></div><div dir=3D"ltr"=
>&gt; <br></div><div dir=3D"ltr">&gt;&gt; On Jun 7, 2023, at 9:24 AM, dave =
northrup &lt;<a href=3D"mailto:[email-masked]" rel=3D"nofollow" target=3D=
"_blank">[email-masked]</a>&gt; wrote:<br></div><div dir=3D"ltr">&gt;&gt;=
 <br></div><div dir=3D"ltr">&gt;&gt; are<br></div><div dir=3D"ltr">&gt; <br=
></div><div dir=3D"ltr"><br></div><div dir=3D"ltr">________________________=
_______________________<br></div><div dir=3D"ltr">Support Team.Net <a href=
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[email-masked]

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---

From: [email-masked]
Date: Wed, 14 Jun 2023 17:41:57 -0500

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Ha - I hope you don't want a whole set - they claim to have only one 
left in stock!!!

On 2023-06-08 13:14, David Friedlander wrote:

> https://www.amazon.com/dp/B07PGPVVRL?th=1&psc=1&language=en_US
> 
> Dave
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=3DUTF-8" /></head><body style=3D'font-size: 10pt; font-family: Verdana,Gen=
eva,sans-serif'>
<p>Ha - I hope you don't want a whole set - they claim to have only one lef=
t in stock!!!</p>
<p><img src=3D"cid:[email-masked]" /></p>
<p><br /></p>
<p id=3D"reply-intro">On 2023-06-08 13:14, David Friedlander wrote:</p>
<blockquote type=3D"cite" style=3D"padding: 0 0.4em; border-left: #1010ff 2=
px solid; margin: 0">
<div id=3D"replybody1">
<div dir=3D"ltr">
<div class=3D"v1gmail_default" style=3D"font-family: comic sans ms,sans-ser=
if; font-size: large; color: #000099;"><a href=3D"https://www.amazon.com/dp=
/B07PGPVVRL?th=3D1&amp;psc=3D1&amp;language=3Den_US" target=3D"_blank" rel=
=3D"noopener noreferrer">https://www.amazon.com/dp/B07PGPVVRL?th=3D1&amp;ps=
c=3D1&amp;language=3Den_US</a></div>
<div class=3D"v1gmail_default" style=3D"font-family: comic sans ms,sans-ser=
if; font-size: large; color: #000099;">&nbsp;</div>
<div class=3D"v1gmail_default" style=3D"font-family: comic sans ms,sans-ser=
if; font-size: large; color: #000099;">Dave</div>
</div>
</div>
</blockquote>

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[email-masked]

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