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Running on may be the result of several different factors including
incorrect 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 <
healeys@autox.team.net> wrote:
> Wonder whether today=E2=80=99s ethanol fuel contributes to the run-on (di=
eseling)
> many Healey owners experience. If you=E2=80=99re lucky (and have set carb=
s and
> timing correctly), you can solve the problem by flooring the 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 fr=
om
> running on. Am trying Techron combustion chamber/fuel system cleaner on t=
he
> 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
> <https://apps.apple.com/us/app/aol-news-email-weather-video/id646100661>
>
> On Monday, September 2, 2024, 1:01 PM, Bob Spidell via Healeys <
> healeys@autox.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-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; standar=
d
> from the pump seems to be about 8%).
>
> 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 sinc=
e
> been tuned to run on it with std. needles. The BJ8 was rebuilt to standar=
d
> 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.
>
> 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).
>
> * 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.
>
> Bob
>
> On 9/2/2024 7:45 AM, carl and gerry rubino via Healeys wrote:
>
> 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 to legislate alcohol in al=
l
> grades of gas.
> Other than stealing gas from an airport any recommendations to deal with
> this?
>
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>
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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"color:#3333ff">Runni=
ng on may be the result of several different factors including incorrect ti=
ming, carbon in the combustion chamber and high engine temperature.</div></=
div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On=
Mon, Sep 2, 2024 at 4:34=E2=80=AFPM Robert Markovich via Healeys <<a hr=
ef=3D"mailto:healeys@autox.team.net";>healeys@autox.team.net</a>> wrote:<=
br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8e=
x;border-left:1px solid rgb(204,204,204);padding-left:1ex"><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=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<br><br><br><div><a style=3D"font-size:12px" href=3D"https://apps.=
apple.com/us/app/aol-news-email-weather-video/id646100661" target=3D"_blank=
">Sent from the all new AOL app for iOS</a><br></div><br><p style=3D"font-s=
ize:15px;color:rgb(132,115,255);padding-top:15px;margin-top:0px">On Monday,=
September 2, 2024, 1:01 PM, Bob Spidell via Healeys <<a href=3D"mailto:=
healeys@autox.team.net" target=3D"_blank">healeys@autox.team.net</a>> wr=
ote:</p><blockquote><div id=3D"m_6777466826901163723yiv8790107236"><div>
Living in California, I have been running 'gasahol' in all my c=
ars
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 wi=
ll 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 airpl=
anes
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"m_6777466826901163723yiv8790107236yqt69298"><div>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"m_6777466826901163723yiv879010723=
6yqt30855"><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"m_6777466826901163723yqt12035">_____________=
__________________________________<br clear=3D"none">Support Team.Net <a sh=
ape=3D"rect" href=3D"http://www.team.net/donate.html"; target=3D"_blank">htt=
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n=C2=A0 $12.75<br clear=3D"none"><br clear=3D"none">Archive: <a shape=3D"re=
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</blockquote></div>
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