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Thread: chevy smallblock 400
          
   
   

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  1. 10-23-2007 09:11 AM #1
    demetrice askew's Avatar
    demetrice askew
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    Question chevy smallblock 400 DESKTOP DYNO NEED SOME NUMBERS

     



    Do anybody have a desktop dyno need to know how much hp ill be making. 400 bored 30 over,speed-pro hypereutectic piston h400cp 4-valve reliefs. stock rods with arp rods bolts.LUNATI MECHANICAL ROLLER CAM .640/.645 Lift at 50 276/284.Procomp aluminum heads 190cc bowl been cleaned up 3angle valve job shaved to 58cc.2.02 valves.1.5 pro magnum roller rockers.A holley single plane race intake 4500-7600rpm,and 750 double pumper.
    Last edited by demetrice askew; 10-23-2007 at 12:22 PM.
    meat1037
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  3. 10-23-2007 10:39 AM #2
    demetrice askew's Avatar
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    desktop dyno anyone have one that can help me
    meat1037
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  4. 10-23-2007 12:02 PM #3
    demetrice askew's Avatar
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    do any body got a desktop dyno needs some numbers
    meat1037
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  5. 10-23-2007 12:39 PM #4
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    What is the compression ratio, then I'll run it for you.

    Kitz
    Jon Kitzmiller, MSME, PhD EE, 32 Ford Hiboy Roadster, Cornhusker frame, Heidts IFS/IRS, 3.50 Posi, Lone Star body, Lone Star/Kitz internal frame, ZZ502/550, TH400
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  6. 10-24-2007 09:26 AM #5
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    11.5compression
    meat1037
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  7. 10-24-2007 11:42 AM #6
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    I assumed a 1.6 exhaust valve with large tube headers with open exhaust. Best results are achieved when the head flow specs are known along with the cam valve timing. But this should be a reasonable estimate.

    Regards, Kitz
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  8. 10-24-2007 11:49 AM #7
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    thanks kitz i have 1.6 on the ex.What u mean by cam valve timing
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