No oil pressure after rebuild

TNford

Member
Ok, I was finally able to get around to rebuilding my ?66 5000
SOS. New crankshaft and everything. New oil pump. After I
got it all together, it started fine. After checking for leaks and
seeing none, I ran it for a few hours to get her warmed up
good. Next day I ran it again for a few hours doing some
loader work. Over the next couple days, I used it a few times
but not for more than 30 at a time. This morning I started it up
and after a couple minutes I saw smoke coming out oil filler
cap. Immediately shut it down. Waited a half the day, restarted
and moved back into barn and smoke again. I attached an
aftermarket oil pressure gauge before moving back to barn
and it never budged the gauge.

What could have happened? Like I said, it ran for hours no
problem over a few days, and all the sudden no oil pressure.
When I took the plug out from the block for the pressure
gauge, it did not look like oil even got to it.
 
Will do Bern.

Would you expect the bearings to be shot? I did filter the oil and did not see any metal flakes.
 
. I would pull the oil pump apart and see what might have caused it to lock up Years ago I pulled an oil pan off to change the pan gasket I used a wire wheel on a die grinder to clean the gasket off the block A week later the car came back on a hook it would not start the Distributer gear had sheared the pin that held it in place this also ran the oil pump I found the oil pump was locked up dropped the pan took the oil pump apart it had a wire from my wire wheel in it I never did that again
 
I have. Once. Machine shop didn?t clean the block good after boring and sleeving. Found a metal shaving jammed
In the oil pump drive gear.
 
I haven?t got around to dropping the pan yet to be able to look. For the life of me I can?t figure out why it would have broken. Like I said, it was a new pump from here.

I did not have a pressure gauge on it when I started it up after the rebuild, just the idiot light of panel.
 
I rebuilt my 2000 gasser 18 months ago i put a aftermarket gauge on it when we assembled it and its still there. I dont trust idiot lights.. I keep looking at the steering cowl and wondering about putting a oil and temp gauge there..
 

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