I have yet to see a thread exactly like this so I figured I’d start it. So this winter I am going to swap the motor in my truck. The truck is an 87 k20. I’ve narrowed down what I want down to 3 options. 1) crate 350 or 383 with aftermarket efi, 2) 6.0 and 4l80, 3) Cummins with dodge overdrive...