Fick detta från usaforum. Kan nån översetta dessa delar? Pinion bushings och tappets/tappets blocks? Rocker vet jag,
Plumb a oil pressure test gauge (preferably one that is known to be good) into the tappet screen plug hole and verify that you have no pressure. Then you have two choices, ride it until it blows, or start methodically disassembling it and checking each component as you go. Since you have replaced the pump I would be looking at pinion bushing, tappets/tappet blocks, and rockers/rocker bushings.
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