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do f/drv gears interchange?

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  • do f/drv gears interchange?

    has anyone interchanged final drive gears from a festy 5 spd into a aspire 5 spd?
    or for that matter, auto trans final drive gears into a 5 spd aspire?

    just wondering??
    Aspires and Sways all around, Miata B6 installed, KYB G2Rs just installed in front. Wish for coil overs someday.

  • #2
    I would like to know if the ring and pinion from a auto will fit into a manual festiva trans?

    David

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    • #3
      no, there is no interchangability of parts between auto and manual trans'.
      Jim DeAngelis

      kittens give Morbo gas!!



      Bright Blue 93 GL (1.6 8v, 5spd) (Hula-Baloo)
      Performance Red 94 Aspire SE (Stimpson)

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      • #4
        BUT the final drive WITH pinion shaft/gear will swap between manuals

        it's just ALOT easier to buy a trany with the gearing you want
        Trees aren't kind to me...

        currently: 2 88Ls (Scrappy and Jersey), 88LX, 90L(Pepe), 91L, 91GL (Skippy) 93 GL Sport (the Mighty Favakk), 94 (Bruce) & 95 Aspire SEs, 97 Aspire (The Joker),
        94 Justy 4WD, 87 Fiero GT, plus 2 parts cars. That's my fleet.

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        • #5
          ^^^correct
          Jim DeAngelis

          kittens give Morbo gas!!



          Bright Blue 93 GL (1.6 8v, 5spd) (Hula-Baloo)
          Performance Red 94 Aspire SE (Stimpson)

          Comment


          • #6
            The way they achieve the final drive ratios is this: the aspire ring gear is a 69 tooth coupled with a 17 tooth pinion making
            it a 4.05 ratio.
            The festy ring gear is a 68 tooth coupled with
            a 18 tooth pinion gear making a 3.77 ratio.
            Everything else inside the (manual) transaxle is exactly the same, and all the parts are interchangable.
            Last edited by iceracerdude; 09-10-2008, 09:18 PM.
            97 Aspire w/K03 turbocharged b6 SOHC
            CoolingMist Varicool II Meth injection
            Phantom gripped and cryo'ed 5 speed

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            • #7
              Tks all, I figured someone would know.
              Aspires and Sways all around, Miata B6 installed, KYB G2Rs just installed in front. Wish for coil overs someday.

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