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Mon 20 of Jan, 2020 [12:28 UTC]
->Hot Heads Tech Talk
->oil pressure problem
oil pressure problem
Hoping to get some ideas. 392 hemi fresh build.
The oil pressure and volume at the filter is good from what I can tell. It will flow hard and fast like a full pressure garden hose when I pull one side off (the return to engine side)
I have very little volume and no pressure at the hole near the distributor that runs to the pressure gauge.
After doing some reading I found that the threaded hole at the distributor intermediate shaft front of engine was missing a plug This is very close to the cam gear. Funny because I couldn't find where the last plug in the plug kit went from HH and figured it was a spare. Installed that. It was fun. Didn't remove anything but the distributor and intermediate shaft for the oil pump and managed to tighten that thing down.
Checked pressure again and it seems like I have less flow at the hole in the rear of the engine and still no pressure.
Before I assembled this I made sure the ball check valve thing was removed. I had a straight shot down to the oil pump mounting surface from what I can remember.
I also installed that plunger that directs oil to the filter that installs at the rear main.
I am using a HH high volume oil pump. I checked the cam bearings before assembly to be sure the shop did them correctly. Im using a spin on filter and relocation kit. But like I said I have really good flow and pressure from the filter side back to the engine.
I pulled a valve cover and see no oil coming up but watched someones video and others commented saying its normal to see almost no oil in the valve train. I don't like it, my valve train seems noisy.
So is there anything else I can check? I was hoping that plug below the distributor would have fixed the problem but the problem is still there.
Anyone have an oil flow diagram for a 392 they can share?
Forgot to mention I put some air into the hole 40 to 60 psi and hear it free flow to the bottom of the engine. No gurgle sounds just air moving inside sounds. Should I get a different result?