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Thread: HOW MUCH HORSEPOWER?

  1. #1
    Junior Member APPRENTICE
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    Feb 2004
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    cedar rapids ia
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    HOW MUCH HORSEPOWER?

    I KNOW THIS IS SOMEWHAT OF A OPEN ENDED QUESTION BUT I AM GOING TO ASK ANYWAY..

    i have a 71 nova backhalf car with a smith-racecraft tubular front end car weighs 2925 loaded,th400 right now, and a 4.30 gear..does anyone know approx how much hp it would take to get this thing into the 8.60-8.80 range?.

    or is there a site that you can offer up info and get a approx number..

    thanx for any input
    when i mash the loud pedal i want everyone to think the world is going to end

  2. #2
    Member JOURNEYMAN
    Join Date
    Apr 2007
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    Australia
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    32
    A moroso slide calculater is a very good guide.
    "if ya want to rev it, chev it!"

  3. #3
    Senior Member RACING JUNKIE
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    Jun 2003
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    Hobbs, NM
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    Go to this website and you can plug in the numbers you want to acheive it will tell you how much HP it will take. Use the HP calculator part.

    http://www.1bad69.com/calc.htm

  4. #4
    Senior Member RACING JUNKIE
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    La.
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    Another set of calculators

    Zip.

    http://www.wallaceracing.com/Calculators.htm

  5. #5
    Senior Member EXPERT BUILDER
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    Orient, OH
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    My drag software says that 900 hp and 830 foot pounds, such as the Ohio Crankshaft Super 620 would put you at 8.804 in typical weather conditions.
    Josh VanHorne

    1964 Chevy Nova
    Worlds quickest and fastest tow truck. (9.92 @ 137)

    http://static.racingjunk.com/63/ui/7...247837-479.jpg

    http://www.racingjunk.com/profile/211708

  6. #6
    Junior Member APPRENTICE
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    cedar rapids ia
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    thanks. this is just what i was looking for..appreciate the help
    when i mash the loud pedal i want everyone to think the world is going to end

  7. #7
    Senior Member EXPERT BUILDER
    Join Date
    Jan 2005
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    336
    i dont know tire size but to spin your car 155 mph which is about 8.7ish then with no converter slippage motor will be spinning about 7500 rpms with a 30 inch tire...something to keep in mind

  8. #8
    Senior Member RACING JUNKIE
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    Jun 2003
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    842
    Yeh, but who runs a 30 inch tire on a 8.70 car. Its only 6800 rpm with a 33 tire.


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