
03-16-2009, 07:28 AM
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Senior Club Cobra Member
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Join Date: Mar 2001
Location: Southern Connecticut,
CT
Cobra Make, Engine: SPF - 351W, 944 non-turbo
Posts: 2,105
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Not Ranked
I'm currently using a 27 micron Moroso racing filter (Mobil1 filter is about 9 microns). I figure the oil is far more apt to go through the filter than to bypass it, especially when it's cold. Since I started using it I've noticed a slight increase in pressure.
Bob
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