Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks



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Joined: Dec 2006
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Rog40 Offline OP
Backyard Mechanic
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I put the new pump in when I was building the engine last summer. Seems it lost pressure as the engine ran over a few weeks. Something came loose or clogged I think. The pump is working enough to fill the oil filter though. But I'm sure not content with the 7 pounds it puts out going down the road.
Roger

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My thoughts are the crap in the pan cause the pressure relief valve to hang-up.


Gene Schneider
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In an earlier post I suggested the same point that Gene noted. There is dirt holding the distributor valve open.

Even though it is a new oil pump it would be the second place I would check. By now probably some of the crap in the pan is stuck in an inlet passage or has made the relief valve in the pump stick open.





Rusty

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Rog40 Offline OP
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Valid points from you two. I'll follow that those considerations as soon as I can. Next couple of days will be spent smoothing hog holes in pastures. They were busy this winter. I'll let you know what I find.
Regards, Roger

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