Audi UR Quattro WR engine rear diff and gearbox oils

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  • eamo
    S2Forum Buff
    • Apr 2007
    • 41
    • Country: Ireland

    #1

    Audi UR Quattro WR engine rear diff and gearbox oils

    hi

    I know the recommended WR engine rear diff is a GL5 SAE 90 and the gearbox oil is GL4 SAE 80 but what do you guys use?

    ie Castrol have many different flavours but i'm not sure what does and doesn't suit

    thanks
    Quattro Man!
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