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upgrade bolt+key for short nose crank

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    upgrade bolt+key for short nose crank

    Hi.

    this should be the part no of the key(B630-11-317A). anybody have the no of the bolt?

    Thanks
    Last edited by mazda-dude; 05-28-2010, 03:39 PM.

    #2
    Crankshaft Bolt (Torque= 97 - 104 ft. lbs.) Ref #90-08, SSP-14, TSB: 103688 JUN 88 MZB6630-11-406C

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      #3
      Thank you

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        #4
        just called my local mazda pusher

        he knew the number for the key, but not the bolt...??

        anybody?

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          #5
          B630-11-406B OR
          B630-11-406C

          and it costs $8.17 from mazdaspeed
          "See that car, in the 80's that car was deadly." Random man to his son while passing the GTX in a parking lot

          Originally posted by neuspeedescort
          the proper spelling would be "Launchabilitiness" i do believe.
          -88' Mazda 323 GTX, 1.8t, Modified Magazine May 2012
          -88' Mazda 323 GTX, caged and ready for dirt
          -93' Mazda Miata, half caged
          -09' Mercedes C63 AMG
          -87' Toyota Land Cruiser, 33's with slight lift, safari style!

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            #6
            Thanks Trailrider, I couldn't find time to get on the MSM website and find the proper P/N

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              #7
              and the 2 numbers are alike? i mean it doesn't matter what I order, the same will arive?

              thanks

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                #8
                btw, can any one link to a thread where this upgrade is discussed?

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                  #9
                  when u order i believe only 1 of the 2 part numbers will be available. they are for the same part though
                  "See that car, in the 80's that car was deadly." Random man to his son while passing the GTX in a parking lot

                  Originally posted by neuspeedescort
                  the proper spelling would be "Launchabilitiness" i do believe.
                  -88' Mazda 323 GTX, 1.8t, Modified Magazine May 2012
                  -88' Mazda 323 GTX, caged and ready for dirt
                  -93' Mazda Miata, half caged
                  -09' Mercedes C63 AMG
                  -87' Toyota Land Cruiser, 33's with slight lift, safari style!

                  Comment


                    #10
                    Anybody have some info on this upgrade? what exactly makes it a upgrade? stronger material?

                    Thanks....

                    Comment


                      #11

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                        #12
                        Thanks for the link....interesting reading.


                        A question though. are the 8 slot pulley=long nose, the same for the 323? because i have the 8 slots:


                        And from miata link:


                        Thanks

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                          #13
                          The original, short nose crank and the longer nose crank replacement use the same pulley. The four bolt holes on the pulley are not in a square pattern.

                          The larger diameter crank, which needs the newer oil pump, has a symmetrical four bolt pattern. I don't recall the number of slots, but it is mentioned at the bottom of the article, iirc.

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                            #14
                            Ok, so i wasn't that lucky. I Will have a closer inspection of The crank when i get The time. I hoped that The euro spec gt, might be different.

                            Thanks for The info.

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