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2500 and 3500 transfer cases

Discussion in 'Chevy C/K Truck Forum' started by notpilbrisk, Sep 19, 2010.

  1. notpilbrisk

    notpilbrisk Member

    hey guys just curious what transfer cases the heavy duty setup of our trucks ran for models with 4wd 8500+ gvwr thanks alot guys Gerry
  2. 2COR517

    2COR517 Epic Member 5+ Years 1000 Posts

    What years? NP205 were used up through 88/91 or so. The NP241/243 was used on 88-98 GMT400 trucks with 8600 GVWR. The Borg Warner (3305 I think) was used on 3500 trucks in GMT400. But the 241/231 is a plenty strong unit for most any application.

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