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Mod | | | Forums66 Topics128,185 Posts1,057,279 Members48,467 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Aug 2012 Posts: 1,214 Shop Shark | | Shop Shark Joined: Aug 2012 Posts: 1,214 | I don't see if you said you had oil pressure at the gauge when it was running, did it? If so that would indicate the oil gallery has pressure.
Your intention to drive the oil pump w/a drill to see if oil flows to the topend is good. Don't run the engine anymore until you can verify oil pressure at the gauge (or at the T fitting that feeds to the gauge and oil distrbutor).
The oil line thats behind the side plate if not positioned just right can rub against a push rod and get a hole worked in it. So if your drill test indicates oil pressure at the gauge but not to the topend, pulling the side plate would be my next check.
Good luck Dave
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