Originally Posted by SLK32Germany
Don't know the biggest timing advance under WOT from the IM-tune. 135F IAT at the end of 4th is not that bad. My temperature is a little lower and my car does not pull one degree of timing at the end of 4th. Does your C3P buddy also have datalogs from his run?
He does not have a datalogger but he is on a stock HE.
Originally Posted by ZAHANMA
looks like time for new plugs to me.
I agree they dont look that great, but its my 3rd set. The lean issue has been with me for a while, i have played with different gap's, gone a step colder on plugs and it has never effected the AFR's at all.