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  1. CMNSwapped

    1993 Chevrolet C3500 Crew Cab Restoration/Cummins Build

    Nice thread. Way late to your party but be glad you stepped away from the 4L80E. Not that it isnt a good transmission, but any minor mods to the Cummins and its more than a 4L80 can handle (well "stock"). I ate 4L80s and flywheels on my first Cummins swap(2011) bigger turbo and injectors. But...
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