post #1 of Old 08-26-2014, 08:35 PM Thread Starter
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1986 CJ7 
Join Date: Dec 2011
Posts: 309
Carburetor Boiling

I've been spending some time working on a friends carb this week. It has the heat soak issues that many complain about so when I pulled it in the shop I immediately pulled the top to look at the fuel and thought it interesting to see the boil. This is 10% ethanol. My experience has been less of an issue with no ethanol gas as it's boiling point is higher. I would say this one is certainly in need of a phenolic spacer.


Last edited by Brewski; 08-26-2014 at 08:53 PM. Reason: Add link
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post #2 of Old 08-27-2014, 08:59 AM
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1970 CJ5 
Join Date: Jan 2010
Location: Colorado Springs CO
Posts: 1,278
Sometimes a simple switch in gas stations will improve things. Some gasoline are more susceptible to boiling than others and as you mentioned, alcohol content makes it worse.

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