Transmission & Rearend
So first a brief description of the state of things then the questions:
I have a 2003 s10 4.3 4x4. It rides on 5.13 ratio axles and 37" tires. A while back I sent my ECU in for a wait4me tune and after getting it back, it read the speedometer dead on. Recently, I had to pull transmission, tcase...