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Transmission Fluid change 355

Discussion in '348/355' started by SA Mike, Sep 7, 2019.

  1. SA Mike

    SA Mike Karting

    May 25, 2019
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    Michael Martinez
    How often, what brand, how many quarts, etc..
     
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  3. yelcab

    yelcab F1 World Champ
    Consultant

    Nov 29, 2001
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    Mitchell Le
    annually changed..
    MTL from Red Line.
    4 quarts.
     
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  4. SA Mike

    SA Mike Karting

    May 25, 2019
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    Michael Martinez
    Thank you sir! Weight?
     
  5. emac

    emac Formula Junior
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    Sep 14, 2014
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    ernest
    Check it after 4 quarts, I think mine took 5.
     
  6. QSA

    QSA Karting
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    Jun 3, 2011
    246
    Kingwood, TX
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    Quinn
    Only one weight of MTL. 75w80.
     
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  8. SeattleM5

    SeattleM5 Formula Junior
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  9. johnk...

    johnk... F1 Veteran
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    WATSON and SA Mike like this.
  10. Qavion

    Qavion F1 Rookie
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    #8 Qavion, Sep 8, 2019
    Last edited: Sep 8, 2019
  11. johnk...

    johnk... F1 Veteran
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    Jun 11, 2004
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    That's a joke. Maranello Classic Parts lists an alternative part Re Change Notice 102. Standard copper washer. Pretty common sense change. Why anyone would use anything else is a mystery to me. https://www.ferrariparts.co.uk/part/ferrari/144485?id=42370

    I never knew there was an actual change notice, but have always used copper washers.
     
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  13. SA Mike

    SA Mike Karting

    May 25, 2019
    52
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    Michael Martinez
    Thanks for the replys. This forum is awesome! The manual says 75w90 GL-5. This is correct weight right?
     
  14. WATSON

    WATSON F1 World Champ
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    Sep 9, 2010
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    +1 I still use copper washers. I buy them from Aircraft Spruce.
    If it leaks I'll change. Until then, no.
     
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  15. 308 GTB

    308 GTB F1 World Champ
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    Feb 7, 2002
    10,034
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    Full Name:
    Barry Wolinsky
    Changed annually
    Royal Purple Max Gear 75W-90 Full Synthetic Gear Oil
    5 liters
     
  16. tatry68

    tatry68 Karting
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    Oct 27, 2013
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    Stan
    I use royal purple in mine too. However, I just came back from Europe and I found some Eni Rotra LSX 75W-90 which is on the way. I will see if there is any difference in cold shift quality with the oem oil in the gearbox.
     
  17. ClydeM

    ClydeM F1 Veteran
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    Nov 4, 2003
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    Clyde E. McMurdy
    When I 1st got the car, I asked the mechanic to change the trans fluid not knowing it's condition. I saw him fight trying to get the hex screw out.
    I suspect there wasn't a washer/gasket at that time which is what made it so difficult and he didn't put one on. oops.
    Car went through a major & no mention was made.
    I just changed the fluid today and tried to remove the plug before draining the oil - :)
    It was a battle. But today I noticed it still had no gasket/washer. I'm blaming missing gasket for hard-to-remove & will put one on this time. Copper. Somebody have the ID & OD? Same as the oil?
     
  18. Rifledriver

    Rifledriver Two Time F1 World Champ

    Apr 29, 2004
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    #15 Rifledriver, Feb 22, 2020
    Last edited: Feb 22, 2020
    Ferrari is using a lot of aluminum banjo fittings and banjo bolts and their torque spec makes copper rings a little unreliable. They went to Dowty rings on them and have superseded earlier copper rings of the same size to Dowty rings.

    Buying any of that class of part from Ferrari is just crazy. Despite the requirement to do so I have never worked in a dealer who bought that kind of stuff from Ferrari either. The copper 22 x 29 is about 50 cents.
     
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  19. Ferrarium

    Ferrarium F1 Rookie
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    I finally just just got a 5 gal pale of Shell Spirax S5, I'm using Amsoil now and it does not work that well. Its a 348 but same difference.
     
  20. kenneyd

    kenneyd Formula 3
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    Sep 30, 2014
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    I recently switched from Redline to Shell Spirax S5, noticeably better shifts.
     
  21. ClydeM

    ClydeM F1 Veteran
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    Thank you.
     
  22. JLF

    JLF Formula 3
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    JERRY
    Where did you buy it?



    Sent from my iPad using FerrariChat.com mobile app
     
  23. Ferrarium

    Ferrarium F1 Rookie
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    You can find it online, California, New York etc, find one close to you to reduce shipping cost. I "think" Spirax S5 is the ONLY Ferrari approved gearbox oil, Porsche too but they re-brand it as far as I can tell. The Amsoil may work well in a Munci 4 sped but in a transaxle its not working so well, I have a case of redline sitting on the shelf but I decided to go with the mfg recommendation.

    See recent 355 post -> https://ferrarichat.com/forum/posts/146935189/
     

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  24. JLF

    JLF Formula 3
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  25. johnk...

    johnk... F1 Veteran
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    Jun 11, 2004
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    New England/FL
  26. Ferrarium

    Ferrarium F1 Rookie
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    Ohh there is definitely something to that no doubt about that ha ha! :)
    That said, there are many posts in threads easily missed that attest to how much better the gear box is with it. Who knows....
     
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  27. Carmellini

    Carmellini Formula Junior

    Jul 16, 2019
    434
    +1 The Dowty washers, or bonded seal rings are the way to go. here is a great deal on an assortment kit:

    https://www.ebay.com/itm/Swordfish-31981-150pc-Automotive-Dowty-Bonded-Seal-Washer-Assortment/181942327614?epid=14018755340&hash=item2a5c9b993e:g:3tQAAOSwPc9W0SZe
     
  28. Rifledriver

    Rifledriver Two Time F1 World Champ

    Apr 29, 2004
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    Not in my opinion or that of my clients.
     

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