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Priming oil pump/ fresh motor?

Moparts Member
Posts: 102
From: ill.
Registered: Oct 2001
posted 07-01-2002 09:05 PM
How long do I need to prime the oil pump on a fresh rebuilt motor? (340)
I have a brass hex shaft on a 3/8" drill.
I'm getting 70 psi.

Should I see oil at the rocker shafts?


Moparts Member
Posts: 632
From: south bend, indiana
Registered: Jan 2002
posted 07-01-2002 09:41 PM

its primed...as it comes up on pressure the relief spring bypasses the oil...sounds like yours is at 70psi. also if you were to go outside tomorrow and prime it again it would take a few revolutions of the pump to prime it again, due to the psi leaking down....

Posts: 7049
From: Ohio
Registered: Nov 1999
posted 07-01-2002 09:48 PM

Have someone rotoate the crank while you turn the drill motor and the rockers will get oil as the holes in the cam line up with the holes in the oiling system.
Take it 'real' slow while you turn the drill motor.

Moparts Member
Posts: 432
From: Bryceville,FL Nassau
Registered: May 2001
posted 07-02-2002 06:35 AM

Just a note: Be sure to cover your fenderwells with gratuitous rags as the oil will explode out when you turn that crank and everything lines up just right. I forgot and man whata mess on my new paint!!!

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