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Thread: 2.0N vs 2.2S Flywheel and Clutch

  1. 01-26-2012, 06:50 AM #1
    50/50
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    2.0N vs 2.2S Flywheel and Clutch

    RE: going from a 2.0N to a 2.2S
    Is the flywheel, pressure plate and clutch disc; form, fit, weight and functionally the same? Or how do they differ?
    Thanks,
    50/50
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  2. 01-26-2012, 09:47 AM #2
    andyjboy
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    No - the 2.0 litre models used a 215mm clutch & a flywheel with integral ring gear whereas the 2.2 litre models used a 225mm clutch & a flywheel with separate (bolt-on) ring gear.

    With engine swaps you essentially need the flywheel/clutch which goes with the transmission you're using:

    901 transmission - 215mm clutch/flywheel

    911 & 915 transmissions - 225mm clutch/flywheel
    Andy

    Early 911S Reg #753
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  3. 01-26-2012, 10:46 AM #3
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    Thanks Andy
    Don't the 70/71 2.2 models have the 901 Trans? I thought that the 915 series began in 72 with the 2.4 series. Is the weight/profile of the flywheel the same?
    Regards,
    Larry
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  4. 01-26-2012, 11:27 AM #4
    andyjboy
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    Larry - the '70/'71 models had the '911' version of the 901 transmission with a 'pull' type (225mm) clutch.

    The design/weight/profile of the 2 types of flywheel is quite different.
    Andy

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