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Old 04-05-2012, 06:46 PM
larrywalk larrywalk is offline
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When in doubt, pull the pan and pump; disassemble the pump and inspect the two gears for any evidence of debris passing between the gears. If there has been, you will see small gouges left by the debris. Hope you don't find any!

Another item if you have a 400 SBC is that the 400 takes a necked-down oil pump drive shaft to avoid rubbing on the rear main bearing cap.
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