Anyone know of a good (older) Dodge pick-up forum?

RamchargerCentral caters specifically toward 1972 - 1993 Dodge Trucks and Ramchargers, but there's more than just that. There's support (friendly members) for anything you could drive.

There's even a sub forum/section specifically for Diesel trucks too (the 1978/79 Inline 6 Mitsu Diesel Dodge trucks, the 83-85 Turbo Diesel D50's and the 1989+ Cummins trucks too)