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Thread: HP number calculator
          
   
   

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  1. 01-02-2006 10:55 AM #1
    RicknSB
    RicknSB is offline CHR Member
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    HP number calculator

     



    I have a small block 400 with 202 heads and a Comp Cams 268H 454 lift 268 duration and a 671 blower with two 500cfm carbs, I'm looking for someone that might have a HP calculator to give me some close HP numbers.
    Thanks
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  3. 01-02-2006 11:23 AM #2
    Bob Parmenter's Avatar
    Bob Parmenter
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    Look for someone with a dynomometer, anything else would be a meaningless guess.
    Your Uncle Bob, Senior Geezer Curmudgeon

    It's much easier to promise someone a "free" ride on the wagon than to urge them to pull it.

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  4. 01-02-2006 11:47 AM #3
    BigTruckDriver
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    A dyno will be the best, because it's exact. Those hp calculators are useful also,they will get you close.
    Last edited by BigTruckDriver; 01-02-2006 at 11:51 AM.
    Friends dont let friends drive fords!
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  5. 01-02-2006 11:51 AM #4
    DONNIE G's Avatar
    DONNIE G
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    i'm guessing on way too much stuff
    exactly what type of heads do you have? i guessed wedge pocket porting,big valves
    compression ratio, i guessed at 8.3:1
    what is you're belt drive ratio? i plugged in 1.00
    how much boost are you running, i gussed 7#

    at first glance ,488 h.p. at flywheel
    512 ft lbs. torque
    all happening at 5000 r.p.m.
    Last edited by DONNIE G; 01-02-2006 at 12:00 PM.
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