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Thread: Bigger Valve Heads

  1. #1
    Beanie
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    Bigger Valve Heads

    Mines got a 2000 small valve top end on it, so if i got a later big valve head, fitted some 57mm tb's and had it set up with my pc3, would i get more power, also, are there different cams available for these motors, eg fast road, or race etc?

  2. #2
    Evil Twin superyellow's Avatar
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    Dec 2008
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    did you figure it out yet? I think I might have a dropped in valve which is causing my rear piston to smash my spark plugs

  3. #3
    One Liter Duc Eater cheesy's Avatar
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    beanie

    i might have a set of heads & cams off an 02 for sale soon

  4. #4
    Beanie
    Guest
    Will these fit my 2000, and what are the cams? i am after a set of fast road cams, and want to be able to use 57mm tb's.

    You mentioned in a previous post the oilways dont line up, so would yours fit? or would i be better off getting a 2003 motor and going from there? and then trying to find some more lumpier cams?

  5. #5
    One Liter Duc Eater cheesy's Avatar
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    there will fit a 2000 fine

    if you going more agressive cam i would personally do head work same time

    It isn't cheap to get lots more power outta these motors


    I use 57mm's on my small valve motor with good results

    If ya going that route
    Go for an 03 motor, make sure it is an 03 motor by the engine code
    That will also have the close ratio box aswell as bigger valves compared to your motor

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