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Thread: Gear/trans oil suggestions

  1. #1

    Gear/trans oil suggestions

    I have a 901 and a 915 non limited slip, they're both getting changes this weekend. What's the latest and greatest for street driving? Still Swepco? Thanks!
    Last edited by Strato 102; 04-05-2012 at 05:37 PM.

  2. #2
    Loud lederhosen saves lives hoffman912's Avatar
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    still swepco
    Harry Hoffman
    1968 912 #3656, burgundy red 'Fritz'. Some mods..
    912 Registry charter member #912R0195-C
    Early 911S Registry Member #2070
    356 Registry Member #36691

    http://hoffman912.blogspot.com/

  3. #3
    member #1515
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    Mar 2009
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    San Antonio, Texas
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    I guess Pete Zimmerman is not on this site.
    David

    '73 S Targa #0830 2.7 MFI rebuilt to RS specs

  4. #4
    Swepco was actually a joint development project with Porsche to allow their transaxles to go the distance. (Not G50!)
    1966 911 #304065 Irischgruen

  5. #5
    Senior Member 911quest's Avatar
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    Mar 2006
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    1,532
    I know this goes against all of the interweb but the only good thing about swepco is it tells you whats leaking. Just use off the shelf gear oil.
    Tony Proasi

    52 split window coupe

  6. #6
    Moderator Chuck Miller's Avatar
    Join Date
    Oct 2002
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    Reseda, CA.
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    12,460
    I've used 3 different lubricants in my car (915/w LS) in the last 23 years....

    - Shell + Kendall limited slip additive (OK for about 10 years)
    - Red Line synthetic (disaster - learned it was too slippery for our synchros - removed in 5 days)
    - Now Swepco for about the last 12 years or so with great performance and no problems...
    Chuck Miller
    Creative Advisor/Message Board Moderator - Early 911S Registry #109
    R Gruppe #88

    TYP901 #62
    '73S cpe #1099 - Matched # 2.7/9.5 RS spec rebuild
    '67 Malibu 327 spt cpe - Period 350 Rebuild

    ’98 Chevy S-10 – Utility
    ’15 GTI – Commuter

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