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.
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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.
All advertised as stock, downloaded off Monodax or passed via email.
Here's a few,I'll add as I go thru them.
1 ton 5.7 4l80e
File I have:
heres a few
98 3.8/auto grandprix stock
98 ls1/auto firebird trans am stock
98 k2500 454 auto