Probably bearing clearances a little on the loose side, or a pump with loose clearances. It will be fine with that oil pressure though. Keep an eye on the higher rpm pressure. That's what counts.
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62' Lemans, Nostalgia Super Stock, 541 CI, IA2 block, billet 4.5" crank, Ross, Wide port Edelbrocks, Gustram intake, 2 4150 style BLP carbs, 2.10 Turbo 400, 9" w/4:30 gears, 8.76 @153, 3100lbs
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