Can be a defective oil pressure sending unit, defective oil pressure gauge, incorrect model of filter installed, weak oil pump, or the rings are worn in this engine and it needs a rebuild.
Its 10 degrees BTDC +/- 2 degrees.
Back of the engine, next to the distributor.Back of the engine, next to the distributor.
10w30
7700
Left exhaust manifold.
.017.
I have a 1987 Dodge D100 318 and the fuel pump was at the front of the engine underneath where the air compressor/a'c pump is at. looking at the front of the truck it is on the lower left side almost directly behind radiator The 1989 should be fuel injected which will mean the pump is in the tank.
the fuel filter is located inline on the inside of the left frame rale just ahead of the crossmember
904 TF and 727 TF and many more with a kit.
BIG job,costly. Replace with mopar eng. 318-360.
14-15 PSI14-15 PSI
1-8-4-3-6-5-7-2