Hello everyone. Your typical noob here and I just wanted to join this site in order to gain some knowledge about these square bodies.
So here’s the skinny on my truck. I own a 1981 Chevrolet Silverado C30 Crew Cab Dually. 7.4L 454 CID 4 w/ NV4500 5 spd. It originally came with a 4 speed, but...