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Thank you. Engine runs cool and timing and carburetor mixture are spot on. =
That leaves carbon as the likely culprit tho I may try cooler plugs as well=
=E2=80=A6
Sent from the all new AOL app for iOS
On Monday, September 2, 2024, 8:25 PM, Michael Oritt <michael.oritt@gmail.c=
om> wrote:
Running on may be the result of several different factors including incorre=
ct timing, carbon in the combustion chamber and high engine temperature.
On Mon, Sep 2, 2024 at 4:34=E2=80=AFPM Robert Markovich via Healeys <healey=
s@autox.team.net> wrote:
Wonder whether today=E2=80=99s ethanol fuel contributes to the run-on (dies=
eling) many Healey owners experience. If you=E2=80=99re lucky (and have set=
carbs and timing correctly), you can solve the problem by flooring=C2=A0th=
e gas pedal after turning off the ignition and inundate the cylinders with =
air, especially on a BJ8 with its larger HD8 SUs. Otherwise, as on my BN7, =
you must stall the engine by lifting the clutch pedal in fourth to keep it =
from running on. Am trying Techron combustion chamber/fuel system cleaner o=
n the chance removing built up deposits will do the trick, but we will see =
=E2=80=A6
Sent from the all new AOL app for iOS
On Monday, September 2, 2024, 1:01 PM, Bob Spidell via Healeys <healeys@aut=
ox.team.net> wrote:
Living in California, I have been running 'gasahol' in all my cars longer =
than some. Best we can usually get is 91-octane; I was able to buy higher-o=
ctane--93 and 100--fuel at times but, guess what: the octane was boosted wi=
th ethanol (added water to some and measured before and after; don't recall=
the exact mix but IIRC I figured it was 10% ethanol; standard from the pum=
p seems to be about 8%).
=20
I have about 140K miles on my BJ8 running mostly 91-octane gasahol, and th=
ere have been no negative effects save some 'vapor lock*' on starting when =
hot. I replaced the hard line to carburettor flex line that had been on the=
car for a couple decades and, except for it being a little stiff there was=
no visible degradation. About 8 years ago I put a new carb jet in pure/den=
atured ethanol and there is also no visible degradation. Rubber components =
sold since the introduction of gasahol are impervious to the stuff. Theoret=
ically, due to its oxygen content gasahol could cause an engine to run a li=
ttle lean, and at least one knowledgeable person recommends changing to ric=
h carb needles, but both my cars have long since been tuned to run on it wi=
th std. needles. The BJ8 was rebuilt to standard 9.1:1 compression ratio, t=
he BN2 is a 100M and has the 'high compression' 8.7:1 pistons. I've been to=
ld Healeys will run fine on 91 up to about 11:1 compression, depending on t=
he cam and timing.=20
=20
Good luck trying to 'steal' from an airport--when I owned airplanes I woul=
d occasionally get some--but the fuel providers aren't likely to be enthusi=
astic about selling it to you. Technically, you would owe 'road tax,' and t=
he stuff is full of TEL and highly toxic (don't breathe any of it and don't=
let it get on your skin).=20
=20
* not technically 'vapor lock,' but the alcohol vaporizes and cavitates th=
e fuel next to the exhaust manifold, causing some stumbling for a mile or s=
o.
=20
Bob
=20
On 9/2/2024 7:45 AM, carl and gerry rubino via Healeys wrote:
=20
=20
A message from Canada. For the last 30 years I have been running my 100/6 =
on 93 gas with no alcohol. In its infinite wisdom our government is going t=
o legislate alcohol in all grades of gas. Other than stealing gas from an a=
irport any recommendations to deal with this?=20
_______________________________________________
Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archiv=
e/healeys
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
h@aol.com
_______________________________________________
Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archiv=
e/healeys
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
ritt@gmail.com
------=_Part_3019189_1243475496.1725369502130
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<html xmlns=3D"http://www.w3.org/1999/xhtml"; xmlns:v=3D"urn:schemas-microso=
ft-com:vml" xmlns:o=3D"urn:schemas-microsoft-com:office:office"><head><!--[=
if gte mso 9]><xml><o:OfficeDocumentSettings><o:AllowPNG/><o:PixelsPerInch>=
96</o:PixelsPerInch></o:OfficeDocumentSettings></xml><![endif]--></head><bo=
dy>
Thank you. Engine runs cool and timing and carburetor mixture are spot on. =
That leaves carbon as the likely culprit tho I may try cooler plugs as well=
=E2=80=A6<br><br><br><div class=3D"yahoo-signature"><a style=3D"font-size:=
12px" href=3D"https://apps.apple.com/us/app/aol-news-email-weather-video/id=
646100661">Sent from the all new AOL app for iOS</a><br></div><br><p class=
=3D"yahoo-quoted-begin" style=3D"font-size: 15px; color: rgb(132, 115, 255)=
; padding-top: 15px; margin-top: 0px;">On Monday, September 2, 2024, 8:25 P=
M, Michael Oritt <michael.oritt@gmail.com> wrote:</p><blockquote clas=
s=3D"iosymail"><div id=3D"yiv0857949366"><div><div dir=3D"ltr"><div style=
=3D"color:#3333ff;" class=3D"yiv0857949366gmail_default">Running on may be =
the result of several different factors including incorrect timing, carbon =
in the combustion chamber and high engine temperature.</div></div><br clear=
=3D"none"><div class=3D"yiv0857949366gmail_quote"><div id=3D"yiv0857949366y=
qt84453" class=3D"yiv0857949366yqt8389481143"><div dir=3D"ltr" class=3D"yiv=
0857949366gmail_attr">On Mon, Sep 2, 2024 at 4:34=E2=80=AFPM Robert Markovi=
ch via Healeys <<a rel=3D"nofollow noopener noreferrer" shape=3D"rect" y=
mailto=3D"mailto:healeys@autox.team.net"; target=3D"_blank" href=3D"mailto:h=
ealeys@autox.team.net">healeys@autox.team.net</a>> wrote:<br clear=3D"no=
ne"></div><blockquote style=3D"margin:0px 0px 0px 0.8ex;border-left:1px sol=
id rgb(204,204,204);padding-left:1ex;" class=3D"yiv0857949366gmail_quote"><=
div>
Wonder whether today=E2=80=99s ethanol fuel contributes to the run-on (dies=
eling) many Healey owners experience. If you=E2=80=99re lucky (and have set=
carbs and timing correctly), you can solve the problem by flooring th=
e gas pedal after turning off the ignition and inundate the cylinders with =
air, especially on a BJ8 with its larger HD8 SUs. Otherwise, as on my BN7, =
you must stall the engine by lifting the clutch pedal in fourth to keep it =
from running on. Am trying Techron combustion chamber/fuel system cleaner o=
n the chance removing built up deposits will do the trick, but we will see =
=E2=80=A6<br clear=3D"none"><br clear=3D"none"><br clear=3D"none"><div><a r=
el=3D"nofollow noopener noreferrer" shape=3D"rect" style=3D"font-size:12px;=
" target=3D"_blank" href=3D"https://apps.apple.com/us/app/aol-news-email-we=
ather-video/id646100661">Sent from the all new AOL app for iOS</a><br clear=
=3D"none"></div><br clear=3D"none"><p style=3D"font-size: 15px; color: rgb(=
123, 106, 246); padding-top: 15px; margin-top: 0px;">On Monday, September 2=
, 2024, 1:01 PM, Bob Spidell via Healeys <<a rel=3D"nofollow noopener no=
referrer" shape=3D"rect" ymailto=3D"mailto:healeys@autox.team.net"; target=
=3D"_blank" href=3D"mailto:healeys@autox.team.net";>healeys@autox.team.net</=
a>> wrote:</p><blockquote><div id=3D"yiv0857949366m_6777466826901163723y=
iv8790107236"><div>
Living in California, I have been running 'gasahol' in all my cars
longer than some. Best we can usually get is 91-octane; I was able
to buy higher-octane--93 and 100--fuel at times but, guess what: the
octane was boosted with ethanol (added water to some and measured
before and after; don't recall the exact mix but IIRC I figured it
was 10% ethanol; standard from the pump seems to be about 8%).<br clear=
=3D"none">
<br clear=3D"none">
I have about 140K miles on my BJ8 running mostly 91-octane gasahol,
and there have been no negative effects save some 'vapor lock*' on
starting when hot. I replaced the hard line to carburettor flex line
that had been on the car for a couple decades and, except for it
being a little stiff there was no visible degradation. About 8 years
ago I put a new carb jet in pure/denatured ethanol and there is also
no visible degradation. Rubber components sold since the
introduction of gasahol are impervious to the stuff. Theoretically,
due to its oxygen content gasahol could cause an engine to run a
little lean, and at least one knowledgeable person recommends
changing to rich carb needles, but both my cars have long since been
tuned to run on it with std. needles. The BJ8 was rebuilt to
standard 9.1:1 compression ratio, the BN2 is a 100M and has the
'high compression' 8.7:1 pistons. I've been told Healeys will run
fine on 91 up to about 11:1 compression, depending on the cam and
timing. <br clear=3D"none">
<br clear=3D"none">
Good luck trying to 'steal' from an airport--when I owned airplanes
I would occasionally get some--but the fuel providers aren't likely
to be enthusiastic about selling it to you. Technically, you would
owe 'road tax,' and the stuff is full of TEL and highly toxic (don't
breathe any of it and don't let it get on your skin). <br clear=3D"none=
">
<br clear=3D"none">
* not technically 'vapor lock,' but the alcohol vaporizes and
cavitates the fuel next to the exhaust manifold, causing some
stumbling for a mile or so.<br clear=3D"none">
<br clear=3D"none">
Bob<br clear=3D"none">
<br clear=3D"none">
<div id=3D"yiv0857949366m_6777466826901163723yiv8790107236yqt69298"><di=
v>On 9/2/2024 7:45 AM, carl and gerry
rubino via Healeys wrote:<br clear=3D"none">
</div>
<blockquote type=3D"cite">
</blockquote></div></div><div id=3D"yiv0857949366m_677746682690116372=
3yiv8790107236yqt30855"><div>
A message from Canada. For the last 30 years I have been running
my 100/6 on 93 gas with no alcohol.
<div>In its infinite wisdom our government is going to legislate
alcohol in all grades of gas.</div>
<div>Other than stealing gas from an airport any recommendations
to deal with this?</div>
<br clear=3D"none">
=20
</div></div></div><div id=3D"yiv0857949366m_6777466826901163723yqt12035">=
_______________________________________________<br clear=3D"none">Support T=
eam.Net <a rel=3D"nofollow noopener noreferrer" shape=3D"rect" target=3D"_b=
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_______________________________________________
Archive: http://www.team.net/pipermail/healeys
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Healeys@autox.team.net
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