I have an 85 C10 with TH350 and a 12 bolt rear that I'm pretty sure has 2.73 gears. I'm planning to get a blueprint 383 motor with the following cam specs: .544 Intake / .555 Exhaust Lift and 230 Intake / 236 Exhaust Duration @ .050 - 110° LSA.
Blueprint recommends a converter between...