
01-14-2002, 04:45 PM
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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
Hey Niles:
If one has a dual filter set-up the filters should act in parallel. This would cut the resistance to flow in half( through the filters). Going in series would double the filter drag without producing any other advantage. If you are intent on reducing the drag produced by the filter(s) I would recommend synthetic oil (mobil1, Red Line), lower viscosity oil and a filter with more filter paper ( mobil1 filter 350 square inches of filter element vs Fram about 200 square inches).
Bob
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