J jolly New member Premium Member Jan 2, 2011 #1 Pulled the plugs today and they look yellow so do the pistons. Looks like there is good wash on the pistons. Been running av gas and arctic cat synthetic oil, is this normal with av gas.
Pulled the plugs today and they look yellow so do the pistons. Looks like there is good wash on the pistons. Been running av gas and arctic cat synthetic oil, is this normal with av gas.
R rsaint Free Member Jan 3, 2011 #4 x3 in my turbo ran straight race fuel last year and now 50-50 race and av gas and they have a yellow tinge and tough to read lean or rich.
x3 in my turbo ran straight race fuel last year and now 50-50 race and av gas and they have a yellow tinge and tough to read lean or rich.