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Thread: 915 Transmission numbers..what do they mean?

  1. #1

    915 Transmission numbers..what do they mean?

    I don't know much about 915 transmissions, but as I've begun to research some kind of LSD or torque-biasing for my autox car, I come across 915 transmission numbers, and I don't know the difference amongst the numbers. Ie... what is a 915/63 vs 915/61 vs 915/44.
    Anyone got a cheatsheet on what the 63, 61, 44, etc. mean?
    thanks
    "Speed never killed anyone. Suddenly becoming stationary...that's what get's you."

    1973 Austin Mini
    1975 911S 3.2 "the blue goose"
    1973 911E sunroof 3.2

  2. #2
    Senior Member kentf14's Avatar
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    E911SR & RGRUPPE
    '65 911 "The Ol' Gal" (long gone)
    '73 S Coupe #306

  3. #3
    Senior Member kentf14's Avatar
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    or this page. A little more clear than the 914 site:
    http://www.gboxweb.com/915specs.html
    E911SR & RGRUPPE
    '65 911 "The Ol' Gal" (long gone)
    '73 S Coupe #306

  4. #4
    that's helpful...thanks
    "Speed never killed anyone. Suddenly becoming stationary...that's what get's you."

    1973 Austin Mini
    1975 911S 3.2 "the blue goose"
    1973 911E sunroof 3.2

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