The earlier 5.9 Cummins are a lot less Computered...
I suggest 91-97 which have a manual transfer fuel pump, are easy/cheap to hop up, 91-94 came with the NP205 gear drive/ cast iron case...


My GMC has a bad case of ship fitters disease!
GMC: Get More Cash...
1958 GMC
1956 Chevy 1500 Hydraulic Dump Truck
1952 Chevy 1700 3-Ton Firetruck

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