[Healeys] gas/alcohol

[Kees Oudesluijs]

Bob is absolutely right. Very little if any ill effects from E10. I have 
been driving E5/E10/E15 for decades without any problems, no rust in 
tank, no degenerating of rubber hoses or diaphragms. These rubber parts 
always have/had to be replaced periodically anyway, just the normal 
maintenance.
At some point I even tanked E85 (full tank) by mistake and the car 
(although a relative modern Subaru Forester 2006) took it in its stride 
without any ill effects. It ran fine, although a bit underpowered. As 
the ethanol has good cleaning properties the car even ran better 
afterwards on the usual E10.
Kees Oudesluijs


Op 2-9-2024 om 18:40 schreef Bob Spidell via Healeys:
> 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%).
>
> 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.
>
> 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 all grades of gas.
>> Other than stealing gas from an airport any recommendations to deal 
>> with this?
>>
>
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