wirenut
Well-Known Member
- Joined
- Sep 27, 2009
- Messages
- 300
- Reaction score
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Hi Looking for ideas;
440
solid cam
Unloading the car from the trailer and OP went to about 5psi.. So shut it down.
Pulled the valve covers, everything is in place. Cranked the engine no oil coming up top. Pulled the pump disassembled and inspected. all looks good, spring, valve, gearotors etc..
Pulled the intermediate shaft, put it in a vise to see if the gear was slipping. Its not.
Put the pump back on the engine, primed with a drill and has 75 psi steady.
Put it all back together and fired it.
20 psi then down to 5 ish..
Checked the intermediate shaft again. OK.
Primed it again. Still 75. ran the drill for 2-3 min. no pressure drop.
For the short period of time it ran, sounded fine. No lower end noise, but now I'm suspecting a bearing issue in some form? What could be moving, turning or otherwise blocking a passage while the engine is running that is not when the engine is not running.
Also changed oil and filter during the course of things.
This is not a new rebuild. No previous issues. Engine has maybe 150 passes on it.
440
solid cam
Unloading the car from the trailer and OP went to about 5psi.. So shut it down.
Pulled the valve covers, everything is in place. Cranked the engine no oil coming up top. Pulled the pump disassembled and inspected. all looks good, spring, valve, gearotors etc..
Pulled the intermediate shaft, put it in a vise to see if the gear was slipping. Its not.
Put the pump back on the engine, primed with a drill and has 75 psi steady.
Put it all back together and fired it.
20 psi then down to 5 ish..
Checked the intermediate shaft again. OK.
Primed it again. Still 75. ran the drill for 2-3 min. no pressure drop.
For the short period of time it ran, sounded fine. No lower end noise, but now I'm suspecting a bearing issue in some form? What could be moving, turning or otherwise blocking a passage while the engine is running that is not when the engine is not running.
Also changed oil and filter during the course of things.
This is not a new rebuild. No previous issues. Engine has maybe 150 passes on it.