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Thread: Q for 915 Gearbox Guru's

  1. 09-03-2010, 10:19 PM #1
    HughH
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    Q for 915 Gearbox Guru's

    there is a lot of information on this board about typ901 and typ911 gearboxes and the special versions of them. however i cant recall ever seeing much about the special versions of the typ 915 gearbox - save a little bit about the variants fitted to the production RS cars.

    I have been waiting to ask this question for about a year after seeing the numbering on the gaerbox in the 1972 Monte ST that Leon has - see thread here

    the gearbox is numbered 915 033 (see attached pic from the thread) - this can only be a type number as far as I can see - not a serial number a that would a seven number series starting with 7, i have not seen a reference to a type number anything like it , or any competition 915 type numbers for that matter, despite looking for it over the past year or so.

    can anyone add any information - it is obviously a special competition box with oil cooler and very short gears.
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    Hugh Hodges
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  2. 09-06-2010, 02:20 AM #2
    Fishcop
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    Hugh, I reckon Grad Clay (normally on Pelican) would be able to help...
    John Forcier
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  3. 09-06-2010, 03:12 AM #3
    preS
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    Is it not the pairing number? Why would the type number be stamped in twice, symmetrical?

    Richard
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  4. 09-06-2010, 04:56 AM #4
    HughH
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    richard

    I really dont know

    it is a VERY early 915 box though and a very special one. it may be a coincidence to be numbered 915 but i suspect not given the car it is in.

    I dont know much about gearbox numbering and even less about what might be stamped on a competition box for a factory rally car so i am really putting it out there to see if anyone knows - if anyone does it is likely to be on this board
    Hugh Hodges
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  5. 09-06-2010, 08:33 AM #5
    Mr9146
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    I always thought Type Numbers (the number after the "/") were two digit numbers - i.e. 911/XX, 901/XX, or 915/XX).

    I agree with the previous statement that the numbers you posted, Hugh, are pairing numbers.
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  6. 09-06-2010, 09:25 AM #6
    a911s
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    Another person that might know is Gordon Ledbetter (gled49).
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  7. 09-07-2010, 11:03 AM #7
    gled49
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    those numbers are stamped on the opposite side of the gearbox. are there any numbers on the bottom where the clutch cable goes thru. I am going to bump gearbox # cannot be traced back as it is a ST trans, maybe some info there. Gordon
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