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Thread: Help!! WTB oddball 901/904 gearsets -- attention collectors & racers

  1. 06-17-2011, 06:16 AM #1
    JKW
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    Wink Help!! WTB oddball 901/904 gearsets -- attention collectors & racers

    Help!! I need some 901/904/911/914 gearsets in fine shape for track use in my 2 liter cars:

    "B" 1st (14:37); PPN#901.302.907.10
    "E" 2nd (17:34) PPN#904.302.909.10
    "F" 2nd (18:34) PPN#904.302.910.10
    "K" 3rd (21:30) PPN#904.302.915.10
    "R" 5th (25:27) PPN#901.302.911.10
    "T" 5th (26:26) PPN#901.302.912.10

    Any leads greatly appreciated!

    Jon
    '61 356B Super 90 Cabriolet
    '67 911S Coupe
    '70 914/6 GT
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  2. 06-17-2011, 06:30 AM #2
    davep
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    I'm sure that you are aware that these are very rare gears. Someone like Matt Monson would be able to supply. The "F" gear is quite rare, but there is one for sale on eBay:
    http://cgi.ebay.com/ebaymotors/PORSC...Q5fAccessories
    Most would just use an "F" mainshaft.
    Porsche Historian, contact for Kardex & CoA-type Reports
    Addicted since 1975, ESR mbr# 2200 to 2024 03
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  3. 06-17-2011, 04:06 PM #3
    JKW
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    Thanks. They are unusual, but they're out there, some probably squirreled away, not being used. Come on folks, dig into the stash! Cheers! Jon
    '61 356B Super 90 Cabriolet
    '67 911S Coupe
    '70 914/6 GT
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  4. 06-19-2011, 06:52 AM #4
    JKW
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    Updated list -- after doing some gear chart fiddling, I see that I could also use a "J" 2nd gearset. (21:31 ratio) PN#904.302.927.10. Anything out there? Cheers! Jon
    '61 356B Super 90 Cabriolet
    '67 911S Coupe
    '70 914/6 GT
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  5. 06-19-2011, 07:10 AM #5
    andyjboy
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    I have A, E, J, Q, X in my box - gears were supplied (& trans built) by Don Jackson in Phoenix, AZ - might be worth asking if he has any of the parts you need.
    Andy

    Early 911S Reg #753
    R Gruppe #105
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  6. 06-19-2011, 03:15 PM #6
    ajwans
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    Have you thought about flipping a common ZD to get something pretty
    close to K?

    K = 21:30 (1.429)
    Zd = 31:22 (0.7097)

    Ka = 22:31 (1.409)

    Might be a (much) cheaper way to get close to the ratio you want.
    Zd is basically scrap metal while J & K are almost unobtainium.

    andy
    67S in pieces
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