1966 chrysler 300 / 383 sudden oil pressure loss

Rebuilt engine, maybe 2k miles on it. Would randomly lose oil pressure when i Would "goose" the pedal at low RPM under 15mph. Recently while taking a corner , maybe 20 MPH, oil pressure dropped and never recovered. I shut the car down right away and had it towed home. So far I've pulled the distributor and checked the oil pump gear, replaced the oil pump, dropped the pan, pulled the pickup tube, cleaned it thoroughly. Reinstalled everything and still no pressure. I have the original...

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Author: Bryon Mason