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Thread: Exhaust size and velocity
          
   
   

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  1. #1
    65cayne's Avatar
    65cayne is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: 1965 Chevy Biscayne
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    I believe there is a formula for figuring all that out in one of my books...I will see if I can find it and post it tonight. The word "marriage" comes into play again in terms of your combination of parts.
    I believe it relies a lot on your operating range (RPM) and cid...The unfortunate thing about all parts combinations is that there is only one RPM value where your setup will perform at peak efficiency. I guess this is a "non-answer" really...but an interesting topic. I'll see what I can find...

  2. #2
    Bob Parmenter's Avatar
    Bob Parmenter is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: 32, 40 Fords,
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    Your Uncle Bob, Senior Geezer Curmudgeon

    It's much easier to promise someone a "free" ride on the wagon than to urge them to pull it.

    Luck occurs when preparation and opportunity converge.

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