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Thread: 6 Bolt Flywheel Washer Thick vs Thin?

  1. 01-04-2020, 07:04 AM #1
    tom1394racing
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    6 Bolt Flywheel Washer Thick vs Thin?

    I have seen conflicting information on this from reliable sources.

    http://forums.pelicanparts.com/porsc...sher-70hi.html

    http://www.early911sregistry.org/for...lywheel+washer

    I think the thicker washer was used only on the '70/'71 cars with the pull type clutch. Can someone confirm this for me?
    Tom Butler
    1973 RSR Clone
    1970 911E
    914-6 GT Clone in Progress
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  2. 01-04-2020, 08:23 AM #2
    Jon B
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    Quote Originally Posted by tom1394racing View Post
    I think the thicker washer was used only on the '70/'71 cars with the pull type clutch. Can someone confirm this for me?
    Tom, the thicker (4 mm) washer was used with push-type clutches and flywheels, for 911 engines through 69 and for 914/6 engines.
    The thinner (3 mm) washer was used for 911 engines from 70-on with 6-bolt flywheels. It can be used on earlier engines too, if the later bolts are also used.

    Where have you seen conflicting information? Your two links agree.

    Jon B.
    Vista, CA
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  3. 01-04-2020, 08:55 AM #3
    tom1394racing
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    Just a little brain fade on my part......Thick for push type clutches (65-69) and thin for pull type clutches (70-77).

    Thanks for clearing this up.
    Tom Butler
    1973 RSR Clone
    1970 911E
    914-6 GT Clone in Progress
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  4. 01-04-2020, 09:03 AM #4
    Jon B
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    Tom, from the factory Workshop Manual:

    Removing and Installing Flywheel - 2.2 Liter Engine
    "Make sure that machine washer has a thickness of 3 mm".

    Name: DSCN1366.jpg Views: 194 Size: 59.4 KB

    Jon B.
    Vista, CA
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