79 gmc 2500
hello got a 79 gmc 2500 454 auto trans only shift 2 times should it shift 3 times all auto i have drove shift 3 times
79 big block GM only has a 3speed tranny, most likely a turbo 400, so you will only feel 2shift points, 2nd then 3rd. The gear indicator on the cluster should only show 1. 2. Then D for drive.
Search GMC C/K 2500 Series Questions
GMC C/K 2500 Series Experts