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Thread: Race and rally gearboxes 901/52 etc

  1. #11
    Oil Cooled Heart Bullethead's Avatar
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    Fascinating stuff, Tom... thanks for posting the list.

    I find it curious that a 4.43 R&P was retained in nearly all options, and substantial variations mostly in 1st and 5th gears (with the exception of track/hillclimb sets). Is there an engineering reason for that?
    Russ

    ESR # 1537

    '62 356S Notchback Hotrod
    '67 S Das Geburtstagsgeschenk
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  2. #12
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    Quote Originally Posted by Xavier PJB View Post
    What about 901/05 gearbox type ? I have read many stories about that type.
    From my 911L COA : 32825xx - 901/54
    No, 32825xx = 901/05
    901/54 must be an error on the COA.
    Porsche Historian, contact for Kardex & CoA-type Reports
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  3. #13
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    I disagree with 902/02; fifth should be Z not X
    I disagree with 902/05; should be 901/05 and the same as 902/01 for 1968; 05 had the simplified diff
    I disagree with 902/06 & 902/16;should be 901/06 & 901/16; aluminium and magnesium versions for 1969
    but most of these are just regular boxes, not race/rally boxes that we are discussing here.
    Porsche Historian, contact for Kardex & CoA-type Reports
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    Researching Paint codes and Engine Build numbers

  4. #14
    I don't believe 17 of them qualify as "regular" gearboxes.
    Early S Registry #235
    rgruppe #111

  5. #15
    Xavier Petit-Jean-Boret Xavier PJB's Avatar
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    interesting as I have 901/02 on another COA for the same car with the same gearbox number.
    The gear ratios in that same gearbox exactly the same as the 901/54.
    No big deal, no bother.

    Quote Originally Posted by davep View Post
    No, 32825xx = 901/05
    901/54 must be an error on the COA.
    O-G 26 - Early911S 2407

  6. #16
    Restoration newbie.
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    Here's another RHD S w/rally kit and 901/54 transaxle.

    308027s engine 961543 transmission 400.04

    Name:  Screenshot_20200403-122855.jpg
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    andy
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  7. #17
    Senior Member HughH's Avatar
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    Andy
    fantastic find... a sister car to yours and completed (at least kardex date) on the same day as yours
    another RHD early car.

    can anyone understand the numbers / letters after Rech. Nr. 11 118? is it 183PS?

    ..and do you have any other info on this car??
    Hugh Hodges
    73 911E
    Melbourne Australia

    Foundation Member #005
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  8. #18
    Quote Originally Posted by HughH View Post
    can anyone understand the numbers / letters after Rech. Nr. 11 118? is it 183PS?
    PS = Pferdestärken (horsepower)?

    Jon B.
    Vista, CA

  9. #19
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    Hugh. I think James Stoop might be Dickie Stoop. The car is being restored by historika in the UK.

    andy
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  10. #20
    Senior Member HughH's Avatar
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    Quote Originally Posted by Jon B View Post
    PS = Pferdestärken (horsepower)?

    Jon B.
    Vista, CA

    yes metric horsepower - roughly 180BHP or 20 more than stock if that is what it says

    and thanks Andy for that extra info- I just checked other sources and it was him. Also it seems it was the car he died in, as I understand that was in a race a club meeting at Croft on 19 May 1968 in a Silver 911S. He was James Richard Stoop from The Grange, Hartley Whitney, which would line up with the kardex info.
    The obituary says that "On the third lap he suffered a coronary thrombosis at the wheel of his silver Porsche 911S. The car mounted the banking at the exit to Barcroft, rolled and crashed through fencing."
    Last edited by HughH; 04-03-2020 at 10:40 PM.
    Hugh Hodges
    73 911E
    Melbourne Australia

    Foundation Member #005
    Australian TYP901 Register Inc.

    Early S Registry #776

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