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Thread: Dual Quads?
          
   
   

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  1. #1
    DET45 is offline CHR Member Visit my Photo Gallery
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    Jul 2006
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    Talking Dual Quads?

     



    As some of you all know I have a 1970 454 S/N 3963512 with iron oval port closed chambered heads S/N 3872702. (Flat top pistons) I have a crane powermax cam with .553E / .534I lift, .236E / 226I duration with 112 Lobe separation. Headers, dual flowmasters, mallory hyfire 6A ignition box and mallory HEI dist. I'm thinking about installing an edelbrock dual quad intake with dual 600 CFM edelbrock carburetors. Summit sells a complete package part # SUM-CEDL322. for $1,139.95 What kind of performance can I expect with this dual quad setup over my current single 750 CFM edelbrock/holley intake?.....Thankyou

  2. #2
    DET45 is offline CHR Member Visit my Photo Gallery
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    I guess I didn't post my question right. Will dual quads perform better than a single 750 CFM carb on a 454 BBC?

  3. #3
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    shoprat is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: 57 RANCHERO
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    Yes, two is better than one. In my opinion.I've run quads for years. I prefer
    Hollies, but I did run Comp series Carters yrs ago with success after learning
    how to tune them. A rule of thumb for the best performance is, if your engine
    will accept one carb say a 750. then it will take two, fuel to air ratio that's
    of course if you have enough cam, exhaust etc..also I always had a 4 spd
    or a loose converter, Ron

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