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Reply to "Can We Talk Oil Bypass?"

How many miles is on your engine, Dave? Personally, I'd just put a reliable pressure gauge on it as is. Then change the oil to 20W50 and see if the increase gives good hot oil pressure.

If that doesn't work, blueprint the oil pump and last resort split the case, get it checked for straightness, measure the journals and possibly replace all the main and rod bearings.

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