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doubleing up t-cases

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Sparky, Nov 14, 2000.

  1. Sparky

    Sparky 1/2 ton status

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    Does anyone here have more than one T-case on their blazer? I have heard of people doing this on other vehicles, but I was wondering how well it works on a blazer. Is there enough room for driveshafts still? How bad is the angle on the rear drive shaft? The added low range sure would be nice.

    Sparky

    When all else fails... Check the blinker fluid.
    78 K-5
     
  2. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Hey Sparky check out the link to Off-Road design. They have a kit for doubling up on T-cases using the 203 and the 205.[​IMG][​IMG][​IMG]
    Look right under the ColoradoK5 banner at the top of the page and click on links.
    That site usually makes me drool.[​IMG][​IMG]

    Rene

    [​IMG]
     
  3. ken

    ken 1/2 ton status

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    Go getcha a T-221 divorced transfer case out of a '60-'67 GM 4x4 truck (1/2 or 3/4 ton). Hang it a little bit lower than your present case, and about 10" back so that the coupling driveshaft will have room to drop and still operate properly. The beauty of the 221 case is that its only 14" long from input yoke to output yoke, and the best part is that the output yoke is about 6" lower than the input, therefore your driveline angle in the rear will be about the same as you had before...(picture it...)!!

    ken
     
  4. ken

    ken 1/2 ton status

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    Oh, and I forgot, the low range ratio in the 221 is 1.94:1.

    ken
     
  5. AGM73k5

    AGM73k5 1/2 ton status

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    Do those bolt up to a th350 or th400 by chance?
    Thanks,
    Aaron

    ___ __ _ _ ____ __
    AGM73k5 -- ajgm1@yahoo.com
     
  6. ken

    ken 1/2 ton status

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    No, they were around before TH350s were invented!! Some were bolted (married) to SM420 4 speeds in the late 60s timeframe.

    ken
     

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