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Thread: Ultimate 69S factory Sports purpose thread

  1. #51
    Quote Originally Posted by HughH View Post
    I have a list of at least 11 1968 vin cars with 901/7x gearboxes not counting the 1969 GTS's that has them
    Hugh, please post a Kardex or factory document that shows 1968 vin cars with 901/7x gearboxes...

    Jon B.
    Vista, CA

  2. #52
    Senior Member HughH's Avatar
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    just done edited the previous post
    Hugh Hodges
    73 911E
    Melbourne Australia

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  3. #53
    Quote Originally Posted by HughH View Post
    One of them - a 901/72 one 9282101 was on the Trans Am car 11810429 (attached). I am not sure if all of the kardexes I have list the type number as a /7x one for the 928 series or not without checking though
    I agree that they are not in the little spec book for 1968 though
    Oooops, you're correct Hugh, I'm sorry :-(

    The 901/75- /79 transmissions were 69 models only, and not the entire 901/70- series as I stated.
    The 901/70- /74 transmissions were 68 models.

    But there were no 68 model 901 transmissions with mag housings.

    Jon B.
    Vista, CA

  4. #54
    Senior Member HughH's Avatar
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    So Jon

    BUT if there were no Mg ones what were these 901/70 to 74 transmissions and why do they appear to be different to, but the same ratios as, the 901/50 to 54 ones ?

    I have at least one 901/71 recorded that seems to be Al so I am not questioning the possibility of Mg (as I had made that assumption based on the 69 year data) but there must be a reason for the two series and a physical difference somewhere.

    also just sent u a PM
    Hugh Hodges
    73 911E
    Melbourne Australia

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    Australian TYP901 Register Inc.

    Early S Registry #776

  5. #55
    Quote Originally Posted by HughH View Post
    BUT if there were no Mg ones what were these 901/70 to 74 transmissions and why do they appear to be different to, but the same rations as, the 901/50 to 54 ones ?
    Hugh, I'll see what info I have on these.
    They may have had "simplified" differentials, which began for some models in 68. Limited-slip differentials were optional, at additional cost.

    Jon B.
    Vista, CA

  6. #56
    Senior Member HughH's Avatar
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    Could it have been that they had "reinforced Nadellas" or could either fit them
    I have a photo of one like that (also has the casting number 901 301 101 0R as seems to be Al) which seems to be a 901/71
    Hugh Hodges
    73 911E
    Melbourne Australia

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    Australian TYP901 Register Inc.

    Early S Registry #776

  7. #57
    Hugh, by 68 only cars with ZF differentials would have had Nadella axles.
    The close-ratio transmissions didn't have ZF diffs unless ordered at additional cost, so a standard 901/71 wouldn't have Nadella flanges.

    Your 68 Kardex with the 901/72 transmission lists a Sperrdifferential as a separate installed option.

    Jon B.
    Vista, CA

  8. #58
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    Hugh

    Below is the Kardex from the 68TR I had.

    Gearbox was aluminium without serial or type numbers stamped on it, at the time I felt that it looked more deliberate than just being worn off i.e. fitted unstamped. It had the small 'z' on the side to indicate the LSD being present and as you know it was fitted with the thicker 'lightweight' Nadellas:
    Attached Images Attached Images     
    Tim

    Early 911S Registry #1167

  9. #59
    Senior Member Eric Gratz's Avatar
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    0000 Options

    Quote Originally Posted by beh911 View Post
    Excellent share, sanders. Thanks.

    Arranged them below:
    119100215
    Attachment 512834

    119100216
    Attachment 512833

    119100194
    Attachment 512835
    There are three 0000 options shown on these Kardex sheets. 0000 OIL COOL, 0000 VENTILAT and 0000 WITHOUT.

    911T1971 translated "Sonderwunsch ausserhalb der M.Liste Nr.184 11.067" as "Special wish outside M-List No.184 11 067" in another thread.

    https://www.early911sregistry.org/fo...ch+der+M-liste


    Perhaps these options all with the same number 0000 would fall into the category of options without an option code, or M-Code, on the option list, or M-List.


    The oil cooler doesn't appear on the options codes for 1969 posted by Brett Johnson.

    https://www.early911sregistry.org/fo...ists-and-codes


    Does anyone know when the option code for the front oil cooler first appears?
    Last edited by Eric Gratz; 02-09-2021 at 09:47 AM.

  10. #60
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    Yes, the 0000 codes are undefined options; basically a place filler within the option description.
    Front oil cooler was M412 in 1970.
    Jon, the 901/7x series of transmissions appeared about April 1968, and basically displaced the 5x series at that time. Rare to find without LSD, but simplified makes most sense.
    I am also curious about the 901/50 and /70 series particularly, what are the serial ranges. By the pattern established by the others are these 928000x and 928010x?
    Also I have a lot of 92890xx serial #'s but no 92891xx serial #'s, and no type # so far; are these custom without a type #?
    I believe that if equipped with an LSD the numeral 9 appears between the type # and serial #. What the Z signifies I do not know, but seems to bear no relation to LSD.
    Porsche Historian, contact for Kardex & CoA-type Reports
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