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Oil priming a c oil pump
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3rd generation View Drop Down
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Joined: 09 Oct 2025
Location: Iowa
Points: 27 		Post Options Post Options   Thanks (0) Thanks(0)   Quote 3rd generation Quote  Post ReplyReply Direct Link To This Post Topic: Oil priming a c oil pump
    Posted: 5 hours 14 minutes ago at 1:15pm
Just about to start a freshly rebuilt 1944 C engine.
My thought is to use an oil extraction pump to push oil into pump and engine. I could use the pump for my boat motor if it doesn’t work.
Is primming these pumps needed considering the pump does not sit in the oil pan.
I resurfaced pump to .0025”
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
Location: illinois
Points: 89694 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 54 minutes ago at 5:35pm
it may prime on its own... but you can take the 1/4 inch tube off going to the filter and use a squirt gun to fill the tube and pump prior to cranking..

remember, this is a BYPASS System... you dont have to FILL the filter.. The pump pushes 85% of the oil thru the cam shaft to feed all the engine bearings... 15% of the oil goes to the filter to clean and dump back to sump..


Edited by steve(ill) - 51 minutes ago at 5:38pm
Like them all, but love the "B"s.
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