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TH125 Sprocket Ratio Change

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  • TH125 Sprocket Ratio Change

    I have a 85 Fiero that is torn apart and being rebuilt. Currently we are just "restoring" the car, but trying to get the most out of what we have.

    Here's my questions. The trans in the car is a TH125 with 35/35 chain and final drive of 2.84. I was going to pull the final drive out of another trans I have, but that is a bigger PITA that I first thought.

    Any idea where I can locate a 37/33 gear set for this trans without paying $200 or buying another trans.

    Thanks!
    Brian
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