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700-r4 swap

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 1979jimmy350, Apr 8, 2004.

  1. 1979jimmy350

    1979jimmy350 1/2 ton status

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    I am swaping in a 700-r4 into my 1979 Jimmy. What things will need to be changed. What is the best Gear ratio to run in the rear end with a 700-r4. Right now I have stock gears and 31 inch tires. What would I need to do to have the lock up converter work?
     
  2. azblazor

    azblazor 1/2 ton status Premium Member

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    To run a 700r4 you need to install a TV cable and a 12v wiring system to lock/unlock the torque convertor. Higher numerical gears may be need if you are going to bigger tires. Go look at www.700r4.com for details.
     

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