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<p>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.</p>
<p>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.</p>
<p>Bob<br>
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<div class="moz-cite-prefix">On 6/3/2018 6:13 AM, Tim Davis BN7
wrote:<br>
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<div>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.<br>
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Tim Davis BN7</div>
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