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Service kits

I'm looking to get the Z engine serviced while its out, had a look at z1 and there are a couple of kits on standard, one with w/AMS pulley

http://www.z1motorsports.com/product_info.php?products_id=1682

http://www.z1motorsports.com/product_info.php?products_id=1680

what does the lightweight underdrive crank pulley do, is it worth getting??

Money is tight, dont mind spending more if its worth it

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    • Featured Replies

    Underdrive pulley reduces weight and releases some power and makes the engine rev up quicker.

    If you fit a lightweight flywheel at the same time it's a very noticeable improvement.

    Not sure with the pulley on it's own as I did both.

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    • Author

    think I'll just go for the basic kit, do i need the idler pulleys or any of the upgrades??

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    Just fitted this kit last week - I went for the kevlar timing belt upgrade. It has marks painted on it so fitting the belt and lining up the pulleys corectly is very easy! Also fitted the full AMS pulley kit.

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    Just fitted this kit last week - I went for the kevlar timing belt upgrade. It has marks painted on it so fitting the belt and lining up the pulleys corectly is very easy! Also fitted the full AMS pulley kit.

     

    Where did you get the belt and how much was it, if you don't mind me asking.

     

    Cheers Paul

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