You will have to put in a pilot bushing. And I think a different fly wheel. Also the trans you have should be a nv 4500. It dsnt have sincronizer and you can start in 2nd gear when not hauling. Unlike the manual that's in the standard 1500. Nv 3500.
drag racers prayer, "As I lay rubber down the street. I pray for traction I can keep. But if I spin and start to slide. Please dear god protect my sweet ride". Family truck'ster