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Thread: Looking for 800 Horsepower on pump gas.

  1. #1

    Looking for 800 Horsepower on pump gas.

    I am looking to make 800 horsepower on my 540 BBC.

    Block GM 502
    Crank Scat Crank 4.25 stroke
    Rods Scat Rods
    Pistons J&E 10:1 Compression
    Heads Dart Pro 1 335 CNC Ported
    Cam Comp Cams Roller 260/268 @.050 .714/.714 Lift 108 centerline
    Intake Dart 4150
    Carb 1000 CFM Race Demon
    Distributor MSD Billet Distributor with 6AL Box
    Exhaust 2 1/8 Hooker Super Comps with 3" Flowmasters


    I am wondering if there is any suggestions. I think maybe the intake and carb may be a problem. I was thinking about a Sniper or Super Victor with a Dominator.

    This will be run on 93 octane gas.

  2. #2
    Senior Member DYNO OPERATOR
    Join Date
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    Posts
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    I think you may be looking for a tall order with that low of compression.

    Why in the world do you want 10.00 -1 ? If I built a 10.00 -1 street engine it better run ok on 87 octane. Actually that is just about what my street work truck motors have and use regular 87 octane in heavy vehicles.

    Your parts list does not look bad except that your block is rated below 800 hp. I guess it will take it as far as I know. I am not sure.

    I do not have any experience wit that intake but the cylinder head/manifold guys I have talked with about it prefer the Super Victor, Wilson, or Profiller. I do not know.

    I like the cam selection for this if you would give it some more compression. With that low of compression, you sure don't need a bad to the bone cam bleeding of more low rpm effective compression. That compression will likely give you lack luster response with a big carb too.

    Ed
    " Let all things that hath breath, praise the Lord. Praise Ye the Lord" Psalms 150 vs 6.

  3. #3
    Quote Originally Posted by edvancedengines
    I think you may be looking for a tall order with that low of compression.

    Why in the world do you want 10.00 -1 ? If I built a 10.00 -1 street engine it better run ok on 87 octane. Actually that is just about what my street work truck motors have and use regular 87 octane in heavy vehicles.

    Your parts list does not look bad except that your block is rated below 800 hp. I guess it will take it as far as I know. I am not sure.

    I do not have any experience wit that intake but the cylinder head/manifold guys I have talked with about it prefer the Super Victor, Wilson, or Profiller. I do not know.

    I like the cam selection for this if you would give it some more compression. With that low of compression, you sure don't need a bad to the bone cam bleeding of more low rpm effective compression. That compression will likely give you lack luster response with a big carb too.

    Ed
    If I can run 11:1 on 93 octane I have no problems doing that. I just don't want a mixture of gas. When this is done it will be on a dyno.

  4. #4
    Member JOURNEYMAN
    Join Date
    May 2007
    Location
    San Dog
    Posts
    34
    "Good people sleep peacefully in their beds at night, only because rough men stand ready to do violence on their behalf."

  5. #5
    Quote Originally Posted by badrad
    At 9.6:1 and 740 Horsepower maybe at 11.0:1 I can get there. I just don't want peaky horsepower. I want good averages through the RPM range.


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