Thread: overkill PCM? some advice needed

Originally Posted by NR92

i have an overkill tune, considered it good until i blew my engine up, then after replacing it got the tune looked at and he said it was running super lean due to the tune something about it being in the 14s when it should be around 10... idk i dont know tuning language, i more or less blame the overkill tune on the destruction of my motor figured the tune would at least make it safe to drive but i still should have had it fine tuned to my car... if i did the issue would have been caught in time

if you could find out what specifically is to believed to be incorrect that might mean something.

How did your engine fail?