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  1. #1
    Site Admin Green Hulk's Avatar
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    I'm getting a new head

    This is Franco Dettori's special "B kit" head, the same one Zapata uses, but it also has Mark Underwood's magic touch on it. Dettori CNC ports the intake side, but leaves the exhaust alone as he says they are making too much power as it is

    Mark convinced me to let him port the exhaust side too.

    Also notice there is no paint on the head. Dettori does this to allow the head to disipate heat better.

    The intake valves are 4 grams lighter than stock and the exhaust valves are 7.5 grams lighter than stock. The lightweight retainers also save me 6.5 grams each. all the weight savings add up to 9000 rpm all day long.

    This head will be going on the engine in the GPRXP.

    Giddy up!
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  2. #2
    HOSS's Avatar
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    Wink

    I hate you.

  3. #3
    Moderator RX951's Avatar
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    OMG.....Dude, this Ski is gonna fly.....literally...

  4. #4

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    Looks pretty enough to sleep with.

  5. #5
    GOTTA PAY TO PLAY!!! rocko672's Avatar
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    that looks real nice...now you just need to put it together so we can go ride

  6. #6
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by RX951 View Post
    OMG.....Dude, this Ski is gonna fly.....literally...

    It should be pretty quick. Might even hang with my turbo RXP

  7. #7
    Red Devil's Avatar
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    Very nice Jerry, you be one lucky "DAWG" to own that piece of work...Congrats....

  8. #8
    TRIPLE PIPES ARE 2-STROKE TURBOS allcool's Avatar
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    Pretty sweet. Looking real nice!
    light weight valve trains rock!

    Hmmm... 9000rpm in a gpr hull

    Jerry,how much projected hp

  9. #9
    Site Admin Green Hulk's Avatar
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    It should be an easy 320 HP at 9000 RPM's. Maybe more

  10. #10

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    ???????????

    How much? Money, compression, ETC, ETC......
    Come on Jerry, I hate being teased.

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