Of course it one could find a clean early two valve cummins they are very simple and would be preferred if findable. They are very poor for rust though and the really robust transmissions did not come until 02 or 03.

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.