Quote Originally Posted by FMP View Post
I came across a C20 with 3.73 14 , had a HD TH350 with vented pan. 4.10 are great if you can get the overdrive. NV4500 is a great swap
I did nv4500 swap when I put the cummins in, also swapped out the 4.56 for 3.73 truck runs up the highway nice and smooth