06-18-2008, 12:11 PM
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CC Member
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Join Date: May 2006
Location: St. Louisville,
Oh
Cobra Make, Engine: A&C 67 427 cobra SB
Posts: 2,445
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Not Ranked
I have read that in a Cobra, the 2x4 actually produces more hp. Not because of the carbs, but because you can get more air through two filters than one filter. Again this only applies to the Cobra due to under the hood space limitations.
Engine sitting on a dyno inside a big room, what has been said is true. After you stuff it into a cobra and fit an air cleaner that will allow the hood to close, it may be a hole different story.
One of the manufactures web site has a big discussion on air filters and explains all this. Might be ERA, not sure. Do some searches on this site for air filter and you should find a link to what I'm remembering. Good luck.
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