Not Ranked
SB,
I agree with the above posts about the substance we laughingly call gasoline. The 10% alcohol seems to have a boiling point of about 110 degrees F or so...
One thing that would be fairly easy to try - maybe, depending on your location - would be no alcohol gasoline. It's available in lots of places and costs very little more.
Other than that, I faced the same problems for over a year with "gasoline" boiling in the float bowls and causing problems. I tried lots of things: return lines, insulators, heat shields etc etc. Finally it looked like my options came down to aiming an air conditioner vent at the float bowls, or switching to fuel injection.
I selected the latter.
Good luck with finding a satisfactory solution,
Tom
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Wells's law of engine size: If it matters what gear you're in, the engine's too small!
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