Possible stupid question

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Nov 30, 2004 | 07:26 AM

99-LS1-SS

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From: Greensboro, North Carolina

Possible stupid question

Someone asked me if increasing your main/rod bearing clearances ie. making the crank looser in the journal .........will the engine pick up oil pressure?
Sorry if this is a stupid question.

Nov 30, 2004 | 07:48 AM

bigdsz

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You would loose pressure because the bearing surfaces are not as tight together. Just like when you use a heavier viscosity oil, oil pressure goes up, because there is more resistance.

Nov 30, 2004 | 08:01 AM

99-LS1-SS

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That is kind of what I was thinking but I didn't know if there was something that I wasn't thinking about. Thanks.

Nov 30, 2004 | 01:40 PM

WS6 RULES

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Indeed. I had a motor with low oil pressure and when I tore it down I found the cam bearings were worn. The more bearing clearance the lower the oil pressure.

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