Which one is better? (long)

JDMopar said

Truck is already fuel injected, but I have to figure out the pump also because the throttle body pump doesn't put out enough pressure.

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I am running a TBI pump in my ‘91 Dakota after swapping the 5.9 into it. It’s the same pump as used in the ‘92-95 SMPI motored Dakotas so when I swapped the 5.9 in I just left it. Pressure is controlled by the FPR.

Not saying your earlier TBI pump will work, only that it might. Just a thought.