Are there any threads on the GM 8.1 (L18) engine? I have tried search but i don't get any hits.
Type: Posts; User: kbirdjr
Are there any threads on the GM 8.1 (L18) engine? I have tried search but i don't get any hits.
Did you ever get the factory tune? i need one as a starting point. i have a '99 K25 w/4l80E that just runs terribly. I bought it used and i can tell someone has been in the computer because...