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Discussion Starter #1
Engine builds oil pressure as it should but if maintaining a set rpm (ie: cruising at 3k) it drops down.

What leads me to further believe it may be the pump relief valve is that on cold startup it has no/low oil pressure.

What say you? Thanks for the time ladies and gents.
 

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is your pickup clean? also if the pump is out of spec then this will cause it too. might be time to replace. also port it don't shim it.
 

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Discussion Starter #4
Well, my buddies gonna bring over his crank pulley tool and i will get inspecting. Ill post my findings gentlemen.

I have a manual, just need to grab my gauges from storage.

If i do replace the pump i will do some very light casting cleanup but not much at all.
I will be looking into the pickup as well. Thanks guys!
 
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