360 transmission question | FerrariChat

360 transmission question

Discussion in 'Technical Q&A' started by mrpcar, Oct 19, 2008.

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  1. mrpcar

    mrpcar Formula 3

    May 27, 2007
    1,114
    Chino hills, CA
    Full Name:
    Robin
    Does the 360 transaxle contains a limited slip differential? Does it use transmission fluid that contains frition modifier designed for limited slip differential or no friction modifier?

    Thanks
     
  2. Rifledriver

    Rifledriver Three Time F1 World Champ

    Apr 29, 2004
    37,274
    Cowboy Capitol of the World
    Full Name:
    Brian Crall
    It does have positraction.

    Factory oil has friction modifier.

    I use an oil that does not have a modifier and of maybe 100 cars I have put it in, 2 have needed a modifier and one of those was only after the cooler ruptured and filled the trans with antifreeze.
     
  3. swilliams

    swilliams Formula 3

    Jun 14, 2006
    1,407
    Bowling Green, KY
    Full Name:
    Scott
    I'm about to change my gear oil. What gear oil do you use??
     
  4. mrpcar

    mrpcar Formula 3

    May 27, 2007
    1,114
    Chino hills, CA
    Full Name:
    Robin
    Brian,

    Thanks for the reply.

    I started out with redline 75w90 (with friction modifier), but didn't like the way it shifted so drained it and put in Redline 75w90 NS (without friction modifier). Now the limited slip is bitting, tire would chatter on slow turns. I fairly positive the limited slip plates was locking up, of course going straight have no effect.

    I plan to add Redline friction modifier in there and see what happens.

    Some questions:

    (1). So you didn't see any cars limited slip lock up without the modifier?
    (2). How does the heat exchanger rupture? Is it just one of those blue moon type of failures or is there a specific cause?
     
  5. Rifledriver

    Rifledriver Three Time F1 World Champ

    Apr 29, 2004
    37,274
    Cowboy Capitol of the World
    Full Name:
    Brian Crall
    Very very very few. Like I said we service many 360s and I have 2 that need it.

    There was a thread on it recently. They are getting old and once in a while they spring a leak.
     

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