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Old 10-28-2010, 09:05 AM
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Join Date: Oct 2006
Location: Santa Cruz, CA
Cobra Make, Engine: SPF 2613 Titanium w/Black, Roush 402SR
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Quote:
Originally Posted by JBCOBRA View Post
So, what is the best one to use? I have been using the Wix racing filter. Seems pretty good, but not really sure.
Logically, you'd think that a racing filter would be the way to go for a high performance engine on the street. Doesn't sound like that's the way to go.

Quote:
Originally Posted by Bob In Ct View Post
Typically racing filters have a much higher micron rating. They provide more flow at the expense of less filtering. Currently I'm using a Moroso racing filter with a micron rating of 27. The Motorcraft FL-1A is probably about 11. I thought the HP was in the 50s.

Bob
Quote:
Originally Posted by PLDRIVE View Post
I have tested several filters before in regards to differential pressure across the filter and there is VERY little difference between filters (street engines). NO ONE should use a high micron RACE filter on a street engine.
Best filter...sounds like the jury is still out.

Quote:
Originally Posted by madmaxx View Post

I am 99% convinced the best filter on the market is the Royal Purple. I cut one up last night, it even has a wire mesh on the dirty side of the synthetic filter media to maintain pleat spacing on the filter element. It is built like a dump truck.
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