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Thread: Low Backpressure Side Affects?
          
   
   

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  1. #9
    Dave Severson is offline CHR Member/Contributor Visit my Photo Gallery
    Join Date
    Jul 2003
    Location
    Madison
    Car Year, Make, Model: '67 Ranchero, '57 Chevy, '82 Camaro,
    Posts
    21,160

    Quote Originally Posted by NTFDAY
    Dave, I believe that he is wrong. Hedman supposedly proved that misconception back in the '60's.
    I should clarify..... This will be a set of equal length tubes (size to be determined by some of the 383 chebbie guru's on CHR), done in a "step" design, coming into a set of 4 into 2 into 1 merge collectors.... then an X pipe aft of the collectors.... Theory being that all of the scavenging will be done before the exhaust pipes connect, all they have to do is supply a bit of back pressure and get the exhaust out from under the car.... Probably be another ton of labor hours to gain minimal horsepower, but it's all being done in the name of learning anyhow....
    Last edited by Dave Severson; 01-12-2007 at 01:41 PM.
    Yesterday is history, tomorrow is a mystery, Live for Today!
    Carroll Shelby

    Learning must be difficult for those who already know it all!!!!

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