Originally Posted by wings&wheels
...and no ethanol. And the exhaust smells better, or maybe I spend too much time around airports.
Seriously, these are the effect of ethanol fuel in the carb bowls from one of my seldom used cars.
It'd be cool if you did an experiment using fuel treatment with gas that had ethanol.
Start with top tier fuel then try MMO, Redline SL1, TC-W3 et Al to see if those products help