I currently have a 35 Dana 80 in my pulling truck with Moser axles. I am looking at 2 different options.
1. Putting in a 37 spline axles, spool, and 5.38 gears.
2. Putting in a F106 with 6.20 gears.
The Dana 80 is welded in my truck and the truck hooks well, but I am not dead set against...