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Thread: carb size for 406
          
   
   

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  1. #1
    gofastdude's Avatar
    gofastdude is offline CHR Member Visit my Photo Gallery
    Join Date
    Jun 2004
    Location
    staunton
    Car Year, Make, Model: 1978 luv
    Posts
    75

    carb size for 406

     



    ok bros we are building a 406/600 roller cam ..dart alum heads....flowing 300 cfm out the box 4.56 gear.....13 to 1 kb planning on some nitrous.what size carb and make would YOU suggest ty 1/8th mile. might go to 4 86 513 gear any suggestions?

  2. #2
    71nova's Avatar
    71nova is offline CHR Member Visit my Photo Gallery
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    Aug 2003
    Location
    ohio
    Car Year, Make, Model: 71 Chevy Nova
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    175

    850 holley or demon.

  3. #3
    billlsbird is offline CHR Member Visit my Photo Gallery
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    Sep 2004
    Location
    Pahrump
    Car Year, Make, Model: '32 Ford 3 Window Coupe w/ 392 Hemi
    Posts
    916

    ...I've got an 850 Holley Double Pumper on my 415 small block with AFR Aluminum Heads {195's with 2.05 intakes & 1.625 exhaust}, 10 t0 1 compression, cam is 224/234 with 515 lift {Hyd. lifters}, 1:6 rockers. Thats the size carb my engine builder recommended so thats what I got. My motor is a low RPM Tq. motor {for the street}. Sounds like you've got more of a high RPM race motor {don't know if that makes a difference or not..... At this point all I do know is that its 3 am in the morning and I'm TIRED.... goodnite, Bill....
    ZZZzzzZZzzzZzzzz......

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