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centre hole on a flywheel

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  • centre hole on a flywheel

    hi all in looking at having my flywheel lightened and balanced has its a 7a one. i think iv found somewhere to do it but they need to know the size of the hole where the centre bearing is but do not want to remove the engine until i can be sure if they can do it any help would greatly appreciated

  • #2
    Are you replacing the bearing ? Do you need the size of the hole of the bearing or the size of the flywheel with bearing removed ? I've got a 7A flywheel lying around and can measure.
    Mike

    http://www.s2-audi.co.uk

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    • #3
      When I changed mine I had to get a smaller needle bearing for the flywheel. They were easy to get hold of at the time but that was 5 years back
      Greg

      S2Forum.com Administrator & Webmaster

      '93 Coupe with a few tweeks

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      • #4
        7A is the older style bearing, not the needle bearing. It's held in with a circlip. 034105276B.
        Cheers'en, AndyC

        K24 Racing - K24R Products

        sigpic

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        • #5
          For single mass flywheel 7a conversion on aby it is straight swap isn't it? I remembet on urs4 was straight swap with the correct pressure plate.

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          • #6
            i used the original bearing. noissue swith mine.

            i used all aby parts apart from a 3b sre clutch. removed the spacer and used the 16v 5speed bolts and some aby ones with a couple of washers on them.

            been my daily for 6 months now after the vectra packed in. m60 carpark daily. other than 1 extremely toned leg all is well.

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            • #7
              I'm after the hole size with out the bearing has I will replace it when its been sorted. I'm not sure on the type of bearing to be fair I thought they where all the same thank you for everyone's help

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              • #8
                My apologies hijacking the subject

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                • #9
                  I measured it at 32mm
                  Mike

                  http://www.s2-audi.co.uk

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                  • #10
                    thank you is that the hole with out the bearing in

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                    • #11
                      The bearing is still there on my flywheel I used the vernier to measure to the outside of the hole on top of the circlip
                      Mike

                      http://www.s2-audi.co.uk

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                      • #12
                        ok thank you thats just made it a lot easier for me

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