Quote:
Originally Posted by 78-5.3
IF its it has 4l60e then isnt the ecm edited for what the rear end ratio and what tires size thats what happen to me they want to know what rear end i had and tire sizes
|
You are correct. With the 4L60E you change settings in the programming to account for gearing and tire diameter.
__________________
69 C10 shortbed stepside 400 small block - built like what a super sport truck could have been
https://67-72chevytrucks.com/vboard/...d.php?t=484426
69 K20 lwb TBI 350 4L60E NP208 14-bolt Dana-44 w/disc
68 Camaro SS / RS 500hp 439 inch roller cam big block 4L80E