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Thread: 911l lsd?

  1. 07-31-2017, 03:18 AM #1
    gduplock
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    911l lsd?

    How do I tell if my 1968 911L sportomatic has a LSD or not?

    Early car manufacture date November 1967.

    Can anyone help please?

    Thanks in advance
    Last edited by gduplock; 07-31-2017 at 03:25 AM. Reason: unclear title
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  2. 07-31-2017, 03:36 AM #2
    edmayo
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    Jack up car in rear, rotate a rear wheel, while doing that have a friend try to hold the other wheel, if he can you don't have a LSD.
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  3. 07-31-2017, 09:24 AM #3
    Jon B
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    Quote Originally Posted by gduplock View Post
    How do I tell if my 1968 911L sportomatic has a LSD or not?
    I don't believe that a limited-slip differential was an option for a 905 Sportomatic, and I'm not aware of one that was or is a direct fit.
    Differentials were not interchangeable between Sportomatic and manual transmissions.

    Jon B.
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  4. 07-31-2017, 11:02 AM #4
    Frank Beck
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    Sporto LSD...?

    One of the main goals in a community is civility. - Frank Beck
    Last edited by Chuck Miller; 07-31-2017 at 11:17 AM.
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  5. 07-31-2017, 04:06 PM #5
    Frank Beck
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    I thought I was being civil?


    Good thing I didn't post what I wanted to say.
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  6. 07-31-2017, 04:47 PM #6
    Jon B
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    At the time, many people ordered limited-slip differentials for better traction in poor driving conditions, and not for sports or racing purposes.
    Even so, I've never seen a factory reference for a 905 Sporto LSD.

    Jon B.
    Vista, CA
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  7. 07-31-2017, 06:08 PM #7
    LongRanger
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    LSD Identification

    Quote Originally Posted by gduplock View Post
    . . . How do I tell if my 1968 911L sportomatic has a LSD or not? . . .
    Dunno when this practice started/ended but --- here's another post . . .
    Quote Originally Posted by LongRanger View Post
    . . . posted questions about transmission numbers in the Technical Info section:

    http://www.early911sregistry.org/for...ission-Numbers

    The consensus is that the |10 stamping means that the trans is fitted with an LSD --- which coincides with the CoA for this car . . .



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  8. 07-31-2017, 06:17 PM #8
    davep
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    I agree with Jon; there was no LSD for the Sporto trans.
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  9. 08-01-2017, 12:19 PM #9
    uai
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    And the 911R sporto?
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  10. 08-01-2017, 01:11 PM #10
    Jon B
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    Quote Originally Posted by uai View Post
    And the 911R sporto?
    Uli, did a 911R have a stock production Sporto transmission with an off-the-shelf LSD? You tell us...

    For a special application, it might be possible to modify an existing LSD to fit a Sporto, or modify a Sporto ring gear, or have a special LSD housing made to fit a Sporto.
    That's all assuming that there was a 911R with a basic production Sporto and an LSD.

    Do you have a reference from a factory manual, parts catalogue, bulletin or sales brochure that an LSD was an option for a Sporto transmission in 1968?
    Can you point us to a source for an aftermarket 905 Sporto LSD?

    Jon B.
    Vista, CA
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