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One thing to try is this:
Fill the truck with oil, and loosen the oil filter a couple of turns.
Using a blowgun on an airhose, and a rubber donut (or even your hand) to seal the oil fill hole, force air into the crankcase using the PCV hose or similar. Even if you can only get .5 in there, the pressure will force oil up the pickup, through the pump and out the filter mount.

Good luck!


This works even better if you have somone crank the engine over while you do pressurize the crankcase.

Regardless its always good to pull the plugs to crank the engine over when priming it. Its a lot less work on the starter, the rod bearings dont get loaded up and the motor spins over a lot faster, helping to get the pump primed.

All this is worth it to avoid any chance of a dry start.

Kevin

87 Turbo Intercooled Raider, roller cam, torsen rear diff, LSD front diff, lockup auto with modified converter, V6 brakes, low transfer case gears...