Friction modifier for correct diff operation | FerrariChat

Friction modifier for correct diff operation

Discussion in 'Boxers/TR/M' started by Jay535, Sep 12, 2021.

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  1. Jay535

    Jay535 Karting

    Mar 10, 2011
    146
    Toronto Area, Canada
    Full Name:
    Jay Lebo
    #1 Jay535, Sep 12, 2021
    Please forgive my two questions in one day.

    I changed my trans fluid to redline 75w90NS, with 4 ounces of their friction modifier. I noticed a couple times today my inside rear tire being very eager to chirp around slow tight corners. Might I have used too much/little friction modifier?
     
  2. flash32

    flash32 F1 Veteran

    Aug 22, 2008
    5,662
    Central NJ
    Full Name:
    Dominick
    #2 flash32, Sep 12, 2021
    I not sure if it is too little modifier ... most of the times I use mobil1 in my 512tr with no issues .. I am using the shell product now and see no difference
    Never used the redline stuff since not worried about softer metals in this car
    How is your second gear working .. going in very smoothly ?
    What were you using before ?
    If clutch is grabbing - probably too little - the oil case is pretty large on this and normally 4 oz is for smaller cases
     
  3. Jay535

    Jay535 Karting

    Mar 10, 2011
    146
    Toronto Area, Canada
    Full Name:
    Jay Lebo
    #3 Jay535, Sep 13, 2021
    Thanks for the reply.

    Yes, second gear is very good.

    Dunno what was in there before. I just bought the car a few weeks ago.
     

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