Chevy 2500HD Allison Transmission Teardown
 

When we started our 2002 Chevrolet Silverado 2500 Duramax project a couple years ago, we set out with a few goals in mind. We wanted the truck to be reliable, first and foremost. We also wanted to put between 650 and 700 hp to the rear wheels, and we wanted the truck to ride on

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