1998-Chevy-Silverado-5.7L-L31-4l60E-(16263425)-MOD.cal
Mods were speedometer change, PE delay removed... good start, I'll try and find the stock version.
Type: Posts; User: EagleMark
1998-Chevy-Silverado-5.7L-L31-4l60E-(16263425)-MOD.cal
Mods were speedometer change, PE delay removed... good start, I'll try and find the stock version.