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Conventional vs Synthetic Gear Oil

Discussion in '2nd Gen. Tacomas (2005-2015)' started by FireSavage, Mar 8, 2023.

  1. Mar 8, 2023 at 10:33 PM
    #1
    FireSavage

    FireSavage [OP] Salvage Tile Beater - Fixer Up!

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  2. Mar 8, 2023 at 10:45 PM
    #2
    RyanL

    RyanL Well-Known Member

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  3. Mar 8, 2023 at 11:13 PM
    #3
    Robnik

    Robnik Disciplined Maniac

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    Synthetic is fine. I'd suggest:

    [​IMG]
    [​IMG]

    Mobil 1 is good, also :)
     
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  4. Mar 8, 2023 at 11:39 PM
    #4
    Chuy

    Chuy Well-Known Member

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    Yes, syn is better. If you have a mechanical slip diff, you don't need to add lsd additive. And go for the squishy bags - you will not need a funnel.
     
  5. Mar 9, 2023 at 2:34 AM
    #5
    jlemmond

    jlemmond Well-Known Member

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    If you havnt done your diff oil in a long time, I suggest buying something cheap in the appropriate weight. Change it and run it for 5k miles. Think of it as flushing it out.

    Drain it again and go with something like Amsoil or Mobil 1 and resume regular intervals.
     
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  6. Mar 9, 2023 at 2:41 AM
    #6
    wrightme43

    wrightme43 Well-Known Member

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    Always remove fills plugs before drain plugs.
    Its a bad day with a empty diff and no way to fill it.
     
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  7. Mar 9, 2023 at 4:41 AM
    #7
    jlemmond

    jlemmond Well-Known Member

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    Also this!
     
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  8. Mar 9, 2023 at 8:05 AM
    #8
    Hayden334

    Hayden334 Well-Known Member

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  9. Mar 9, 2023 at 8:16 AM
    #9
    cfcarpenter

    cfcarpenter Well-Known Member

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    I did some reading on this the other night and changed my truck last night. I went with the Valvoline bags of synthetic 75/90 for the front diff and transfer case, Redline MTL for the transmission (manual) and conventional Valvoline 80/90 with CRC Trans-X limited slip additive.
     
  10. Mar 9, 2023 at 9:29 AM
    #10
    TnShooter

    TnShooter The TacomaWorld Stray

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    OP has a 2000. It’s a 1st Gen.
    He never said what components he is putting the gear oil in.
    He also didn’t say if he has an Open Diff, or LSD.
     

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