Really depends, you can find some 80s and I think even till 93, trucks without any computers. I have a 1954 Chevy 2-ton and the early 90s Chevy 3500HDs and the

Really depends, you can find some 80s and I think even till 93, trucks without any computers. I have a 1954 Chevy 2-ton and the early 90s Chevy 3500HDs and the early 90s GM box trucks are great donors because a lot of stuff is sized (axles is a big one) right and the box truck's engine is a drop in replacement if you want to convert to diesel.