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  1. #1

    Difference Between Rotella T1 40W and T 40W

    Is there any difference between older Rotella T40W and newer T140W? Can I mix the two?
    Dave & Trina
    Benedetto
    1989 60MY HATDK310
    Sturgeon Bay/Ft. Lauderdale

  2. #2

    Re: Difference Between Rotella T1 40W and T 40W

    You can always mix the same viscosity oil. You can also mix with 30wt if in a pinch. Just don't put multi-weight oil in.
    Sky Cheney
    1985 53EDMY, Hull #CN759, "Rebecca"
    ELYC on White Lake--Montague, MI

  3. #3

    Re: Difference Between Rotella T1 40W and T 40W

    I would check the API tag first. If your a Detroit musher, CF-2 would be the ratting on both pails.
    You should have no problems mixing them then.

  4. #4

    Re: Difference Between Rotella T1 40W and T 40W

    Yep DDs.
    Dave & Trina
    Benedetto
    1989 60MY HATDK310
    Sturgeon Bay/Ft. Lauderdale

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