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  1. J

    Rear Gear Set for 84 K10

    It was odd to me as well. When I bought a new diff/posi and set of gears for the car, I asked about carrier size as I would likely want to change gear ratio at a later date. I was told "there is no carrier sizing for this version rearend." Maybe I was told wrong or heard wrong. I just don't...
  2. J

    Rear Gear Set for 84 K10

    I don't know, but I assume 3.08's. The later model 8.5's like my Impala don't have the "carrier" breaks. I remember that from my 60's 10 bolts and 12 bolts and having to match a gear set to a "series 1 or 2 or 3 or 4 carrier." I can use any gear from a 2.56 to a 4.56 on the diff/carrier in...
  3. J

    Rear Gear Set for 84 K10

    Not really sure where else to check this, so any help would be appreciated. I have an 84 K10 Custom Deluxe, 305 with HD 4 speed manual. I want to upgrade to 3.73 gears. I have a nice used set that came out of my 96 Impala SS, which is also an 8.5" (8.6" on the box, IDK why) 10 bolt. Will...

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