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Ok, well we found that the oil pressure relief valve was stuck open, which we fixed. We where then able to prime the pump and get the engine running, we drove it out of the shop in order to start the cam shaft brake in, however the oil pressure quickly fell from 45-50 PSI to about 16-18 PSI and then plummeted to 0 PSI. I shut off the motor at that point and noticed that the coolant in the radiator was boiling, though the temperature gauge read fine. However it's a 30+ year old gauge so who knows if it's accurate.We've removed the oil filter adaptor and made sure the valve is still closed, it is. Repacked the gears with Vaseline while we where their. Checked the oil pressure gauge, it's a new mechanical one and seams to work fine. We changed the oil and oil filter just for the heck of it. Running off the drill we can get about 4-5 PSI of pressure. It got to 40-45 last time off the drill.Any idea?
Ok, well we found that the oil pressure relief valve was stuck open, which we fixed. We where then able to prime the pump and get the engine running, we drove it out of the shop in order to start the cam shaft brake in, however the oil pressure quickly fell from 45-50 PSI to about 16-18 PSI and then plummeted to 0 PSI. I shut off the motor at that point and noticed that the coolant in the radiator was boiling, though the temperature gauge read fine. However it's a 30+ year old gauge so who knows if it's accurate.
We've removed the oil filter adaptor and made sure the valve is still closed, it is. Repacked the gears with Vaseline while we where their. Checked the oil pressure gauge, it's a new mechanical one and seams to work fine. We changed the oil and oil filter just for the heck of it. Running off the drill we can get about 4-5 PSI of pressure. It got to 40-45 last time off the drill.
Any idea?
