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Thread: vx/fxho, H.P.?

  1. #1
    Tube Master's Avatar
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    vx/fxho, H.P.?

    What is the diff in the engines that gives the ho 160hp and the vx 110?


  2. #2
    Moderator RX951's Avatar
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    This for one

    compression and timing

    FXHO
    Ignition Timing 31° BTDC/Compression Ratio 11.9:1

    VX110
    Ignition Timing 35° BTDC/Compression Ratio 11.4:1

    Same Bore & stroke on both motors
    Bore/Stroke 76 x 58mm

  3. #3

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    Cool

    cams are way diff on both,we install 140 topend on vx and could not get to run right ,took one look at cam BIG diff install old cam ran like top,could not install 140 bottom end diff casting would not fit reduction gear

    later cd

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    Moderator RX951's Avatar
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    Quote Originally Posted by chip View Post
    cams are way diff on both,we install 140 topend on vx and could not get to run right ,took one look at cam BIG diff install old cam ran like top,could not install 140 bottom end diff casting would not fit reduction gear

    later cd
    there ya go ! thats the other difference

  5. #5

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    The VX runs 2000rpm less (max rpm is 8000 verses 10,000 in FX) than the FX .... single throttle body verses 4 throttle bodies on the FX.

    Strange the reduction drive case is different especially as they run the same reduction of 1.48:1. Maybe the hull "V" is flatter in the VX necessitating a different casting ?

    Anthony

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