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Old 08-21-2010, 06:53 AM
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Bob In Ct Bob In Ct is offline
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Join Date: Mar 2001
Location: Southern Connecticut, CT
Cobra Make, Engine: SPF - 351W, 944 non-turbo
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Question

Quote:
Originally Posted by coosawjack View Post
Only a small percentage of oil goes through the filter on any "pass" depending on viscosity and temperature so a small leak there will make no difference!! The filter has a pressure "bypass" built into it for the purpose of letting most of the oil bypass the element......

If all the oil had to go through the filter element you wouldn't have enough flow to lubricate the engine and the pressure due to the restriction of the element would be sky high!!
Can you point me to a place or source to backup your statement? I thought modern filters were "full flow" (unless they became clogged).

Bob
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