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700R-4 kickdown

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Hossbaby50, Sep 4, 2001.

  1. Hossbaby50

    Hossbaby50 3/4 ton status

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    Is there any way I disconnect the kickdown on my 700R-4 so I can cruise with more of an open throttle? It kicks down when I'm going up small hills, which if I could give it a little more gas it wouldn't need to. It would also save a little wear on the tranny. Just wondering, probably a stupid question. Thank you
     
  2. wayne

    wayne 3/4 ton status

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    I believe B&M makes a kit so you can run wide open throttle with a 700 in overdrive. I would not reccommend it for a 4x4 though. If it does not kick down you will build up heat and destroy the trans. The 700r4 is a very heat sensitive trans.

    See <a target="_blank" href=http://coloradok5.com/gallery/Waynes-Toy>Project Mighty Mouse</a> here.
    <font color=blue>Wayne<font color=blue>
    <font color=blue>Happy Trails<font color=blue>
     
  3. DMK

    DMK 1/2 ton status

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    The cable is just not a kickdown cable. It controls shift points if disconected your transmission will burn up.
     
  4. BobK

    BobK 1/2 ton status

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    DMK is correct.It controlls shift points and line pressures which is crucial to the life of the tranny.I wouldn't disconnect it.

    <font color=green>BobK<font color=green>
     
  5. Hossbaby50

    Hossbaby50 3/4 ton status

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    Thanks guys. I kind of figured that something like this would be my answer, or other people would be doing it.
     
  6. Leadfoot

    Leadfoot 1/2 ton status Premium Member

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    Don't disconnect the TV cable (bad news if you do), but there are a few companies that offer a kit to raise the throttle point at which the 700 kicks down. If you go to http://coloradok5.com/gallery/Leadfoot
     
  7. Hossbaby50

    Hossbaby50 3/4 ton status

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    Will I run the risk of burning up the tranny though with this product? Do you know anyone that has run one, just wondering if you had any first hand info? thanks.
     
  8. Leadfoot

    Leadfoot 1/2 ton status Premium Member

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    I have one in mine. To be honest, I am not a tranny rebuilder, but I have a good friend (mainly thanks to all the business I send his way from my friends). I usually sit in the shop and watch him do his thing and ask a million questions. My girlfriend hates it when I come home late for dinner, but I think the knowledge is worth it. When he did his 700 he hated the downshift so he ended up installing one of these in his tranny and then in the one I had done. Basically (the way he explained it), is that the 700 is "hardwired" (through the valve body), to kickdown from 4-3 whenever the pedal is pushed to a certain point (measured via the TV cable). This device "fools" the tranny to think the cable is not pressed as far (this only applies to the part of the tranny that controls the 4-3 downshift, the rest of the tranny sees the true TV/throttle location). Because of this, the tranny operates normally in all other aspects, but waits to downshift until the foot is on the floorboard. You still can't completely mash the pedal and not have it down shift, but you can still accelerate and pass on the highway (gear and tire combo dependant) without having to have the tranny downshift once you get a feel for the pedal position at which it downshifts. It's actually easier done than said. You'll get a feel for it.

    See my rig at <a target="_blank" href=http://coloradok5.com/gallery/Leadfoot>http://coloradok5.com/gallery/Leadfoot</a>
     
  9. Hossbaby50

    Hossbaby50 3/4 ton status

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    Sounds like this is what I was looking for. How hard is it to install, can I do it or do I have to have a tranny man do it? When I get back for Christmas I was going to drop the pan and change the filter and fluid anyway so I would do it then. thanks
     
  10. Leadfoot

    Leadfoot 1/2 ton status Premium Member

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    I believe it is a do it yourself project. As stated mine was already done for me. I believe the note on the website says you do not need to remove the valve body to install, so you should be able to do it when changing the fluid with the pan dropped.

    See my rig at <a target="_blank" href=http://coloradok5.com/gallery/Leadfoot>http://coloradok5.com/gallery/Leadfoot</a>
     
  11. Hossbaby50

    Hossbaby50 3/4 ton status

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    Sweet. Thanks again.
     

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