if it was mine, i would use the 68 K20 drivetrain... on that, i would put a rear 14 bolt out of a 73-87 k20, and a front dana 44 or 10 bolt from a 73-87 k20.. i would also find a SM465 4 speed if its going to be used to towing, ive seen too many autos blow up under a load.
the 1/2 tons literly cant be made as stout as a 3/4 ton.. i welded some 1/2 ton frame horns on my k20, and they are visably smaller (thinner) then the rest of my frame
hope i could help
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ASE Master Certified-GM Trained-Mechanic
1968 Chevy C30 157" WB Wrecker
1969 Chevy CST/10 SWB
1971 Chevy Custom/10 (first truck) 350, NV3500 5 speed
1971 Chevy K20 Custom Camper 4x4 350 TBI, SM465/NP205
1974 Chevy Custom Deluxe/10
1979 Chevy Custom Deluxe K10 farm truck beater
1989 Chevy K2500
Quote:
Originally Posted by Alan Jackson, Cause I'm a country boy
35s whinin on the asphalt, grabbin mud, throwin up some red dirt
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R.I.P. Michael Stilts... I will always love and miss you brother! (9-12-80, murdered 4-9-05)