My first diesel pickup was a 1980 Chevy 1/2 ton with the very popular long lasting Oldsmobile 5.7 engine. OK enough about that, my current compression only engine powered rig is a 95 C2500 6.5 turbo, NV4500, 3.73 carrier (I swapped had 4.11) purchased 5 yrs ago with 299,000 reading on an inop...