Hopefully not, either way I will avoid ethanol fuel at every opportunity.
Tim Davis BN7
----- Original Message -----
From: Michael MacLean <rrengineer.mike at att.net>
To: Tim Davis BN7 <tld6008 at mchsi.com>, Bob Spidell <bspidell at comcast.net>
Cc: healeys at autox.team.net
Sent: Sun, 03 Jun 2018 14:37:23 -0400 (EDT)
Subject: Re: [Healeys] Ethanol fuel result
Just replaced the float of the sending unit in the gas tank of my Bugeye.
Replaced the cork gaskets with Viton to be sure no fumes from the fuel. I ma
familiar with Viton for many years. I have been using Viton fuel lines with my
radio control gas engines. One thing that guys using this fuel line caution is
it gets hard over time and must be replaced. Not sure if that translates to
carb diaphagms or automotive fuel lines though.
Mike MacLean
On Sunday, June 3, 2018 10:53 AM, Tim Davis BN7 <tld6008 at mchsi.com> wrote:
Not trying to prove anything just an FYI.Some of the damage was mechanical as a
result of me trying to remove them. One was leaking badly on the car the other
had not started but both were very brittle especially around the inner part
probably since the outer edge was clamped between the flanges on the carb body
and somewhat isolated from the fuel. I looked around before buying new ones and
bought the ones that claimed to have Viton diaphragms. I am familiar with this
material as in my past employment it was the only material compatible with
methanol.
Tim Davis BN7
----- Original Message -----
From: Bob Spidell <bspidell at comcast.net>
To: healeys at autox.team.net
Sent: Sun, 03 Jun 2018 10:44:13 -0400 (EDT)
Subject: Re: [Healeys] Ethanol fuel result
Ugh. That damage may well have been caused by ethanol, but I'm a
born skeptic with a little scientific training. Without a control
sample you can't prove the damage was caused by ethanol (but
again, it may well have been). I just changed out a set in my
HD8s that had been in over 25 years and all I saw was some tiny
cracking, and I live in California and I think we've had gasahol
longer than most states.Some of that damage looks mechanical to me; it could
simply be
defective parts. I would hope manufacturers are making parts from
ethanol-resistant rubber, because I just put in a new set that
look just like those.Bob
On 6/3/2018 6:13 AM, Tim Davis BN7
wrote:
FYI, here are my HD6 jets after being exposed to todays gas
for approx 4 years. Will definitely use non ethanol fuel
whenever possible from now on.
Tim Davis BN7
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