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Change Gears?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by UseYourBlinker, Jun 8, 2000.

  1. UseYourBlinker

    UseYourBlinker 1 ton status

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    So if I change my gearing from 3.07 to 4.10 do I have to change both front and rear?? also how much would this cost to get done?? Does this just make the truck go faster or both more tork and faster? thanks
     
  2. Eagle86K5

    Eagle86K5 1/2 ton status

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    Front and rear gears have to match...else you gonna break something next time you go into 4x4...

    <font color=green>[​IMG]Eagle86K5[​IMG]<font color=red>
    Masonry...It's a Good Thing
    2B1ASK1
     
  3. laketex

    laketex 3/4 ton status

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    read the newest Petersons 4 wheel and off road, lots of tech info on that. And a physical explination.

    Bryan


    [​IMG][​IMG]
    Durant, Ok
    '79 Blazer in progress
     
  4. HarryH3

    HarryH3 1 ton status Author

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    This month's Car Craft has an article on the effects different gear ratios have on acceleration. They were just using little 28-inch tall slicks, but the idea's the same. They tested a Duster with 3 different gear ratios to see what would happen.

    Expect to spend $600-1,000 to have new gears installed front and rear, depending on what axles you have. You might want to also install lockers, etc. while they're in there. The labor is a big part of the cost.

    <font color=black>HarryH3 - '75 K5</font color=black>
    http://ThunderTruck.ColoradoK5.com
     

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