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Mobil 1 or Valvoline Syn 75w-90 Gear Oil

Discussion in '2nd Gen. Tacomas (2005-2015)' started by FL4x4Taco, May 27, 2009.

  1. May 27, 2009 at 12:02 AM
    #1
    FL4x4Taco

    FL4x4Taco [OP] Well-Known Member

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    Has anyone used either? I think it might be splitting hairs, but I had to ask. LSD additives don't matter to me being I have a TRD with E-Locker. So it's either an open diff or Locked. The Syn power is slightly thinner according to the PDS. The only other difference is the Valv is Mack GO-J approved. I might just buy the cheaper of the 2, which I believe is M1.
     
  2. May 27, 2009 at 12:06 AM
    #2
    Lentsnh

    Lentsnh Well-Known Member

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  3. May 27, 2009 at 12:08 AM
    #3
    SC4333

    SC4333 Well-Known Member

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    I cant comment on the Mobil1, although, I used Valvoline synthetic 75w-90 in the LSD rear on my GMC 2500HD for years with no issues. It gets my approval.

    If I remember correctly the Valvoline was fairly pricey.
     
  4. May 27, 2009 at 12:09 AM
    #4
    FL4x4Taco

    FL4x4Taco [OP] Well-Known Member

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    Only place around me that carries the Valv 75/90 Syn is Napa. $12.99 or 14.99 compare to everyone that carries the M1 for $9.99. So I'm guessing it really doesn't matter which I go with...?
     
  5. May 27, 2009 at 12:11 AM
    #5
    SC4333

    SC4333 Well-Known Member

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    I scored mine at a CarQuest around here. Great oil, but it came with a price.

    I'm sure the Mobil1 will suffice.
     
  6. May 27, 2009 at 12:20 AM
    #6
    FL4x4Taco

    FL4x4Taco [OP] Well-Known Member

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    I'd prefer the better of the 2. Technically I'd say it's the valvoline b/c they have a Mack GO-J spec and M1 does not.
     
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