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SeaSlugs · 05-31-2017, 11:49 AM

acetone will - one of the main ingredients in carb cleaner/seafoam/injector cleaners that removes it instantly. Be careful as its highly flamable and the fumes can get to you so do it outside. I bet seafoam in a heavy concentrate would remove it as well (2 cans per 10 gallons) mixed with E10 fuel will remove it. Ethanol makes a great cleaner as you have seen regular gas leaves a varnish behind.

Would be best out of the car so you can tumble it around and not worry about the varnish gunk clogging up the carb.

05-31-2017, 11:49 AM	#2
SeaSlugs Senior Member Join Date: May 2010 Location: Central, IL Posts: 3,968	Re: Gas tank varnish acetone will - one of the main ingredients in carb cleaner/seafoam/injector cleaners that removes it instantly. Be careful as its highly flamable and the fumes can get to you so do it outside. I bet seafoam in a heavy concentrate would remove it as well (2 cans per 10 gallons) mixed with E10 fuel will remove it. Ethanol makes a great cleaner as you have seen regular gas leaves a varnish behind. Would be best out of the car so you can tumble it around and not worry about the varnish gunk clogging up the carb. __________________ 1929 Model AA - Need long splash aprons!