Switched from e85 to 93 shell gas this week,cleaned cell out and all lines took fuel filter out let it dry blew it out cause it looked good,put it back in put 20 gal. of shell 93 in fired it off sounded good but idle sounded off just a little. ran good in hot laps went out for 2 lap qualifying and stumbling and just crappy came in checked plugs all 8 were either fouled or about fouled. got it back going in feature ran good down straights but when i rolled out to set car for corner and rolled back in just stumbling til get back on straights upsetting the car making it push. The shell station had a sign on pumps saying the fuel could have up to 10% ethanol in it was this a factor because its hard to find a station that doesnt have the ethanol in it anymore oh yeah bout forgot willys 602 gas carb. is what i went to.thx
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