04-21-2004, 11:28 AM
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CC Member
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Join Date: May 2002
Location: San Francisco CA,
Posts: 525
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Stellings & Hellig air filter horsepower numbers
Hi Guys
I just finished some dyno work on a friend's engine and can post some definitive numbers on the horsepower loss with the little chrome lids seen on so many Cobras.
On dual quads, with K&N air filters, the Stellings are down an average of 8 to 11 horsepower verses no air filters.
Torque numbers were hardly affected at all.
These numbers are for a FE tunnel port @ 6000 rpm with horsepower in the 550's.
--Mike
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