My old 1970 Chevrolet 1/2 ton long bed 4X4.
Blueprinted 350c.i. Turbo 350 tranny, N.P. transfer case. Dana 44 front end, 12 bolt rear.
Special made 3/4 ton leaf springs.
Dead simple to work on, parts dirt cheap.
Drove it for 20yrs. It never let me down, ran like a raped ape.
The bad, rode like a tank, got 10 miles per gallon, and no air conditioning.