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Re: [Healeys] gas/alcohol

To: healeys@autox.team.net
Subject: Re: [Healeys] gas/alcohol
From: Kees Oudesluijs via Healeys <healeys@autox.team.net>
Date: Mon, 2 Sep 2024 19:28:40 +0200
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <em76b692be-636a-4d77-a49b-f77a7c901e28@p6520f> <a1220c0c-9571-490d-be56-c2dd117002bb@comcast.net>
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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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    <p>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.<br>
      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.<br>
      Kees Oudesluijs</p>
    <p><br>
    </p>
    <div class="moz-cite-prefix">Op 2-9-2024 om 18:40 schreef Bob
      Spidell via Healeys:<br>
    </div>
    <blockquote type="cite"
      cite="mid:a1220c0c-9571-490d-be56-c2dd117002bb@comcast.net">
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
      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>
      <br>
      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>
      <br>
      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>
      <br>
      * 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>
      <br>
      Bob<br>
      <br>
      <div class="moz-cite-prefix">On 9/2/2024 7:45 AM, carl and gerry
        rubino via Healeys wrote:<br>
      </div>
      <blockquote type="cite"
        cite="mid:em76b692be-636a-4d77-a49b-f77a7c901e28@p6520f">
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        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>
      </blockquote>
      <br>
      <fieldset class="moz-mime-attachment-header"></fieldset>
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