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Thread: what plugs and gap

  1. #1
    Senior Member EXPERT BUILDER
    Join Date
    Dec 2002
    Location
    spring creek nv.
    Posts
    328

    what plugs and gap

    building a 540bbc blown alcohol engine
    11.8 static comp.
    731/726 lift roller //114 lobe center //running dur 322--326//dur at .050 284--288
    brodix heads flowed to 372cfm on intake at 700 lift
    12-71 blower 20%OD
    big&ugly injector hat
    port nozzles
    110 pump
    mallory supermag111

    trans;;pg with brake
    1;80 straight cut gears
    10 disc high gear

    4;30 gears
    car estimated at 2800 lbs
    32x14.5x15 slicks

    what plugs and what should i gap them at to do my first start-up?

    what hp do you think i'll be at?

  2. #2
    Senior Member RACING JUNKIE
    Join Date
    Jan 2006
    Location
    La.
    Posts
    2,890
    NGK 9's .025 gap

    Zip.

  3. #3
    Senior Member RACING JUNKIE
    Join Date
    Mar 2003
    Location
    Fountain,MICHIGAN
    Posts
    856

    Re: what plugs and gap

    Quote Originally Posted by hotrodharley
    building a 540bbc blown alcohol engine
    11.8 static comp.
    731/726 lift roller //114 lobe center //running dur 322--326//dur at .050 284--288
    brodix heads flowed to 372cfm on intake at 700 lift
    12-71 blower 20%OD
    big&ugly injector hat
    port nozzles
    110 pump
    mallory supermag111

    trans;;pg with brake
    1;80 straight cut gears
    10 disc high gear

    4;30 gears
    car estimated at 2800 lbs
    32x14.5x15 slicks

    what plugs and what should i gap them at to do my first start-up?

    what hp do you think i'll be at?
    1500-1600HP Give or..............?
    Later '
    G 8)

  4. Racing Junk


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