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700r4, 36's, and 3:73's

Discussion in 'The Garage' started by wayne, Oct 26, 2002.

  1. wayne

    wayne 3/4 ton status

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    700r4, 36\'s, and 3:73\'s

    Do you think the trans will hold up as long as it stays on the street? I worried that it might fry the trans with that combo.
     
  2. Re: 700r4, 36\'s, and 3:73\'s

    Goto this link and you can find out what your rpms will be at. they also have the gear ratio for the 700r on there also.

    http://www.4lo.com/
     
  3. DPI

    DPI 1/2 ton status

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    Re: 700r4, 36\'s, and 3:73\'s

    Tell me the truth. Are you really going to stay on the street?
    Just put a big cooler and get a tranny temp guage and keep it out of overdrive in the city. The main thing with 700r4s is to keep them cool.
    I have a 700r4 and 36s with 4.56s. If I ever re-gear I would go to 4.88s with this tranny.
     
  4. wayne

    wayne 3/4 ton status

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    Re: 700r4, 36\'s, and 3:73\'s

    This is for Donna's truck. I was thinking about just slapping a lift on it and the 36's before swapping 1 ton axles in with 4:56's.
     
  5. yunit

    yunit 1/2 ton status

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    Re: 700r4, 36\'s, and 3:73\'s

    Wayne,
    I would just doing everything in one shot, it will be so much easier; this way you do not have to remove the axles twice. If you do not put the 1 ton's in at the same time, make sure Donna does not use OD.
     
  6. Longhorn4x4

    Longhorn4x4 Registered Member

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    Re: 700r4, 36\'s, and 3:73\'s

    Speaking from the perspective of someone who builds a lot of 700 R4 transmissions, I can say that a stock or stock rebuilt will not live well. Even a well built one would be far better off if you had 4.88 gears. And a HUGE cooler. I have some built units out there that have more than 100K miles on them, but they are far from stock.
     

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