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Spin to win

This is a discussion on Spin to win within the Bigger Minis Forum forums, part of the General Talk category; FPM lightened XR80 crank with long-rod swap. 20oz lighter than a stock XR100 crank. Remove another 10-11oz from the flywheel, and you're crowding a 2lb ...

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Thread: Spin to win

  1. 04-03-2010, 06:51 AM #1
    firepower354 [OP]
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    Spin to win

    FPM lightened XR80 crank with long-rod swap. 20oz lighter than a stock XR100 crank. Remove another 10-11oz from the flywheel, and you're crowding a 2lb loss in rotating mass Buzzzzz



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  2. 04-03-2010 06:51 AM
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  3. 04-03-2010, 09:59 AM #2
    gman
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    Re: Spin to win

    Very Nice!
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  4. 04-03-2010, 10:33 AM #3
    Miniac
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    Re: Spin to win

    Any imbalance issues? (I'm assuming the "Buzzzzz" isn't what the bars are doing when the engine is running. )
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  5. 04-03-2010, 10:46 AM #4
    firepower354 [OP]
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    Re: Spin to win

    Quote Originally Posted by Miniac
    Any imbalance issues?


    Just with the rider...
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  6. 04-03-2010, 06:20 PM #5
    sr20hardbody
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    Re: Spin to win

    whats the price of one of these?



    my buddy has xr80 and wants noticeable mods but at a cheaper price of coarse.



    those $600+ kits sold online for these vertical engines is outrageous!
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