4.0 whippled 540 dyno results
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4.0 whippled 540 dyno results

  1. #1
    Frozen Hoser Airpacker's Avatar
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    Default 4.0 whippled 540 dyno results

    540, afr 357cnc heads, crane 268741 hydraulic roller, whipple 4.0

    1102hp at 6000.
    peak torque at 3400 was 1075 lbft and it held over 1000 to 5800.


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    Member mikes280's Avatar
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    nice motor very close to mine and right at the same power

  4. #3
    AKA Blownjet 468 Blowncat 509's Avatar
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    would be curious to see the results with the 335cnc's at that rpm, with everything else the same- those are some good #'s tho


    Out With The Old, In With The New.......Goodbye Blinding Acceleration, Hello Sustained High Speed (in comfort)

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    Senior Member MACHINEHEAD1's Avatar
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    Is that a 8.1 based engine?

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    Frozen Hoser Airpacker's Avatar
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    Quote Originally Posted by MACHINEHEAD1 View Post
    Is that a 8.1 based engine?
    Dart Big M.

  8. #6
    cfm
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    Good job.

    What kind of boat is it going in ? Make sure to come back and let us know what the boat does.

    What boost, compression, and type of fuel ?

  9. #7
    Frozen Hoser Airpacker's Avatar
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    Quote Originally Posted by cfm View Post
    Good job.

    What kind of boat is it going in ? Make sure to come back and let us know what the boat does.

    What boost, compression, and type of fuel ?
    03 25 Daytona

    10psi, 8.2:1 ON PUMP 91

    Hopefully water testing tomorrow.

  10. #8
    Platinum Member BigSteve's Avatar
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    Quote Originally Posted by Airpacker View Post
    03 25 Daytona

    10psi, 8.2:1 ON PUMP 91

    Hopefully water testing tomorrow.
    I was wondering why you didn't go with a 5 liter screw blower
    If you ain't the lead dog the view is always the same !

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    Senior Member MACHINEHEAD1's Avatar
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    Was asking about the 8.1 because the cam PN says 8.1. I guess you were using this cam for the 4-7 swap firing order? Very impressive @ 10psi

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    Frozen Hoser Airpacker's Avatar
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    Quote Originally Posted by BigSteve View Post
    I was wondering why you didn't go with a 5 liter screw blower
    height difference. I would have preferred to but my buddy wanted to keep it all under the stock hatch.

  13. #11
    Frozen Hoser Airpacker's Avatar
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    Quote Originally Posted by MACHINEHEAD1 View Post
    Was asking about the 8.1 because the cam PN says 8.1. I guess you were using this cam for the 4-7 swap firing order? Very impressive @ 10psi
    yes, its a cam for a 8.1. Double firing swap creates friendleir harmonics

  14. #12
    Frozen Hoser Airpacker's Avatar
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    water tested this weekend. first crack, -2 sportmaster lower with 1" spacer, 1.36 gears, 32 labbed bravo.

    119 bouncing the limiter at 6100
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  15. #13
    Platinum Member BigSteve's Avatar
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    Quote Originally Posted by Airpacker View Post
    height difference. I would have preferred to but my buddy wanted to keep it all under the stock hatch.
    I understand, good power #'s

    We have a couple of conversions from the quad rotors to the 5.0 liter in the winter work schedule for us to think about



    Your boat is hauling the mail , bravo's are a good overall prop for the money, but at the power level you are at I would try some better props for sure, maybe a 5 blade herring hydromotive,BBlades
    If you ain't the lead dog the view is always the same !

  16. #14
    Senior Member Skydog's Avatar
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    NICE NICE NICE!!!! Should have mine next week buddy!! You looking great now prop up!!!

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