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Thread: Carb Size - BBC

  1. #1
    Junior Member APPRENTICE
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    Nov 2006
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    Carb Size - BBC

    Im wondering what carb you guys think would work best for my combo listed below. Im assuming a Dominator, but what size, company? Thanks for the help.

    1970 Chevelle
    Drag Race Only
    3200 Pounds with driver
    29.5 x 11.5W Hoosier slicks
    Southside Machine lower control arms and adjustable upper control arms
    4.11 gears in 12 bolt Spool
    Turbo 400 Trans with Transbrake
    540 CI Big Block 4.50” Bore 4.25” Stroke
    12.8:1 Compression
    Bullet Roller Cam 4/7 swap. 276, 280 duration at .050. .757 .737 gross valve lift
    AFR 357 CNC cylinder heads.
    Brodix HV Intake
    MSD Digital 6 Ignition

  2. #2
    Junior Member APPRENTICE
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    Oh yeah, The Brodix HV is the intake I have for it but I would be willing to change. Any suggestions on that would be helpful as well.

  3. #3
    Senior Member RACING JUNKIE
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    May 2003
    Location
    Coldwater, MI
    Posts
    2,998
    1050 is what I'd put on it, for the best GAS carbs check out either a APD or a Pro Systems.
    David Lanning
    IHRA NHRA 387B

    Fleenor Racing Transmission
    419-280-1406
    Lanning Electric
    Complete Drag Car Wiring
    APD Race Engines
    www.apdracing.com

  4. #4
    Senior Member RACING JUNKIE
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    Belleville, IL
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    http://www.timmcamis.com/cool_stuff.html

    There's a carb calculator on McAmis' site.

  5. #5
    1050 Quick Fuel Dominator

  6. #6
    Senior Member MASTER BUILDER
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    Dec 2005
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    berea,ky
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    carb

    If you are buying an out of the box carb then go with a Holley Dominator 1150 cfm,but for the price go with Pro Systems and they will recommend what you need.

  7. #7
    Junior Member SHOW GUEST
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    New Hampshire
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    Look into Dale Cubic @ CFM carbs, He makes a real nice carb.

  8. #8
    Senior Member RACING JUNKIE
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    I have a 540 similar to yours with smaller heads than you have in a 3050 lb car with a 8896 1050 and it works great.

  9. #9
    Junior Member APPRENTICE
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    Thanks for the responses.. I have a 1250 dominator and have heard it is too big. How much power/ET do you sacrifice running a carb that is too big? Also, what intakes do you guys like for a BBC making 825 HP?

  10. #10
    Senior Member MASTER BUILDER
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    carb

    I like a super victor intake.Call pro sytems and ask if the 1250 is too big.A buddy of mine just got a pro systems carb and they recommended a 1200cfm for his motor and it is a 540.He had a 1050 quickfuel and put the pro systems carb on and picked up about a half a tenth.

  11. Racing Junk


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