Search results
-
8
Big Block C1500
New to the forum! I have an 1985 GMC Sierra Classic. I’ve had this truck since I was in high school and the truck has been in my family since it was new. The truck has a mild built small block, th400, and 3.73s now. I’d like to build a 530+hp 468 big block and rebuild a spare th400 and put...- 85GMCSierra
- Thread
- Replies: 23
- Forum: Tech Discussion
