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Differential size help!

Discussion in '1st Gen. Tacomas (1995-2004)' started by 98 Taco Back in Black, Mar 17, 2016.

  1. Mar 17, 2016 at 10:59 AM
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    98 Taco Back in Black

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    98 Taco Back in Black [OP] New Member

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    Hi i am planning on regearing my tacoma with 4.56 gears but i have no idea if my differential is a 8.0 or 7.5....i have a 1998 tacoma 3rz 4x4 not trd...thanks
     
    98 Taco Back in Black, Mar 17, 2016
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  2. Mar 17, 2016 at 11:38 AM
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    dirtkarter

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    dirtkarter Well-Known Member

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    Gonna be a 8.3 I have the same truck and just did a 3rd member swap I believe the 7.5 was 2wd If I'm not mistaking
     
    dirtkarter, Mar 17, 2016
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  3. Mar 17, 2016 at 12:50 PM
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    tan4x4

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    tan4x4 Well-Known Member

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    Your front diff is a 7.5" IFS type diff. Totally different from the rear.
     
    tan4x4, Mar 17, 2016
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  4. Mar 17, 2016 at 1:05 PM
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    Digiratus

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    You do not have the 8.0 diff in the rear unless you have the elocker.

    For the open (factory no locker) rear diffs on 1st gens, the ring gear is referred to as an 8.4". The front is a high pinion (sometimes referred to as a reverse) 7.5".
     
    Digiratus, Mar 17, 2016
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  5. Mar 17, 2016 at 1:25 PM
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    98 Taco Back in Black

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    98 Taco Back in Black [OP] New Member

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    Ok thanks guys so 7.5 in the front and 8.4 in the back then
     
    98 Taco Back in Black, Mar 17, 2016
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  6. Mar 17, 2016 at 1:26 PM
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    devinzz1

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    devinzz1 Well-Known Member

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    Front is 7.5. Rear is the 8.4 NOTE: its often listed as an 8". Just make sure it says without elocker
     
    devinzz1, Mar 17, 2016
    #6
  7. Mar 17, 2016 at 6:52 PM
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    Sicyota04

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    Sicyota04, Mar 17, 2016
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