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Old February 5th, 2021, 01:19 PM
GMCv6inND GMCv6inND is offline
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Join Date: Dec 2013
Location: Hatton, ND
Truck: 1945, 1955.2, 1955.2 tonner, 1959 3/4 ton, 1966 4x4, 1967 1/2 ton and a V12
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Default Re: D478 manual transmission identification and options

Don’t know much about the 478, but I’ve removed a few 351s from grain trucks out here and they’ve all been running the NP540 (no overdrives) and 1 1/8” 10 spline inputs in the standard style bell housings. I’m sure they’d handle the power of 478 but only have 1:1 final gear.
Just throwing that out there
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