First thing to check when a diesel is not performing is filters. If any question about fuel quality or bacterial action use a biocide to clean out the tank.

On an 83 it is possible it could be taking off in second gear. If they do this it is excruciating.

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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.