What are the currently recommended "best" fluids for the 355? | FerrariChat
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What are the currently recommended "best" fluids for the 355?

Discussion in '348/355' started by nathandarby67, Sep 26, 2014.

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  1. nathandarby67

    nathandarby67 F1 Veteran
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    Feb 1, 2005
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    #1 nathandarby67, Sep 26, 2014
    I'm getting ready to do the annual service on my 355, and after much searching of threads and further confusing myself, I was wondering if anyone could give a quick rundown of the consensus choice for what the best brand/type of fluids to use are these days? I figured while we are at it, just list them all so this thread could be a good one-stop reference for anybody getting ready to change any or all of their fluids.

    Oil
    Transmission fluid
    Brake fluid
    Coolant
    Power Steering
     
  2. Shootfighter65

    Shootfighter65 Formula 3

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    Randy..alluneedtokno
    #2 Shootfighter65, Sep 26, 2014
    dont even go there...Making popcorn going to sit back and watch the debate...my answer...go with what Ferrari recommends. Like all 355 maint topics this will be all over the place..a lot of opinions will come from guys that dont own a ferrari...do a search you will see I'm right
     
  3. Rifledriver

    Rifledriver Three Time F1 World Champ

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    #3 Rifledriver, Sep 26, 2014
    There are a lot of people that know a hell of a lot about Ferrari's that don't own one. Almost all of the people at the factory for starters.

    Choosing information sources is smart. Limiting it to owners is not.
     
  4. Shootfighter65

    Shootfighter65 Formula 3

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    Randy..alluneedtokno
    #4 Shootfighter65, Sep 26, 2014
    then my original statement stands true...ask ferrari
     
  5. ttforcefed

    ttforcefed F1 World Champ
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    #5 ttforcefed, Sep 27, 2014
    I wldnt kill too many brain cells over this...for oil stick with mobil1, redline or amsoil....I really doubt there is a quality difference across those...most people use redline MTL or MT90 I think - don't remember what the 355 calls for....motul for break fluid and not sure about coolant
     
  6. Shootfighter65

    Shootfighter65 Formula 3

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    Randy..alluneedtokno
    #6 Shootfighter65, Sep 28, 2014
    See what I mean? You got my reply. Someone flaming on me. And someone saying I think and not sure. I would like an answer too
     
  7. AceMaster

    AceMaster Three Time F1 World Champ

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    #7 AceMaster, Sep 28, 2014
    Nobody's flaming on you.
     
  8. bobzdar

    bobzdar F1 Veteran

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    #8 bobzdar, Sep 28, 2014
    I run mobil 1 0w40 euro blend on the street for the higher zinc content. Royal purple for the track.

    I'm curious as to different trans oils, redline isn't readily available around here but royal purple is. I like to support local business where possible, so curious if anyone has run the royal purple stuff with or without additive.

    Also, I'm really leaning towards evans waterless coolant when I do a major next year, anyone have experience with that in their 355? I have it in my bmw and it's great, puts much less stress on the system due to low pressure. I can pull the radiator cap off when the car is running at full temperature and there's no boil over and only a little pressure in the system.
     
  9. nathandarby67

    nathandarby67 F1 Veteran
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    #9 nathandarby67, Sep 28, 2014
    Interesting idea with the coolant. I've never heard of that before. I can't imagine how it could cause any problems, unless its cools too well. ;) My car runs a touch towards the cool side anyway.

    I've been using the Mobil 1 0w40 so far as well, but have heard several people have switched to Motul 5w40 lately. And of course lots of people seem to use redline.

    I am leaning towards trying redline in the gearbox.
     
  10. Mitch Alsup

    Mitch Alsup F1 Veteran

    Nov 4, 2003
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    #10 Mitch Alsup, Sep 28, 2014
    Oil: Street Use:: any pure synthetic oil in the 0W-40, 5W-40, 10W-40 weight range with at least 1000 ppm of zinc. High performance driving use:: any pure synthetic oil with an HTHS number above 3.9 cP and over 1300 ppm of zinc (ZDDP:: protection) but not over 1700 ppm of zinc (deposits). Race use: any pure synthetic RACE oil with an HTHS number over 5.0 and 1500 ppm of zinc, change immediately after trace use to a street oil.

    Transmission fluid: Street use: Ultralight weight Shockproof Transmission oil. Agressive back road use: Light weight shockproof transmission oil. Track use 75W90 Transmission oil.

    Brake fluid: Street use: ATE super (blue) Gold <now> changed yearly. Aggressive backroad use: ATE Super Gold changed every 6 months. Track use: ATE Super Gold changed immediately prior to the track event. Race use: Castrol SRF, Wilwood 600, Motul 600.

    Coolant: no opinion

    Power Steering: anything with a power steering label on it.
     

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