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Shift kit/Manual Valve Body on 700R4?

Hello, I dont know much at all about trannys.

I have an 87 lifted Chevy with a 700r4 transmission (4 speed auto)

I was told a **** kit would be ideal for harder shifts to save the tranny during mudding and for higher horsepower. I also read about manual valve bodies? I know I shift kit just makes it shift harder and I dont about the manual valve body?

Will any of these allow me to shift or do they just change the rpm and timing of the shifts. I have rebuilt motors, put in trannyss, ect and have experience and will install w.e is best for the tranny, but how hard are these to install?

6 Answers

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  • 1 decade ago
    Favorite Answer

    Use Trans-Go shift kits if going with a shift kit.

    Just putting a shift kit in is unlikely to keep a tranny from coming apart, if it were new yes, but a used transmission already has wear and hard use will accelerate that, shift kit or not. It won't likely hurt it to do so, just don't expect it to turn the 700R4 into a TH400. The 700's did not start getting very good until 1988, when they redesigned the entire casting. Built right they can still last, but the 700's up to 1988 were not real strong.

    Manual valve body is as described...you shift it with the shifter, it is no longer automatic. You'd want a floor shifter with a Chev truck if you went that route.

    Source(s): Local transmission builder and rebuilding TH350's, 400's, and 200-4R's myself.
  • Anonymous
    6 years ago

    This Site Might Help You.

    RE:

    Shift kit/Manual Valve Body on 700R4?

    Hello, I dont know much at all about trannys.

    I have an 87 lifted Chevy with a 700r4 transmission (4 speed auto)

    I was told a **** kit would be ideal for harder shifts to save the tranny during mudding and for higher horsepower. I also read about manual valve bodies? I know I shift kit just...

    Source(s): shift kit manual valve body 700r4: https://learnmore.im/e15/shift-kit-manual-valve-bo...
  • ?
    Lv 7
    1 decade ago

    the manual valve body will allow you to shift it like a standard .B&M shift kits will have several options that will let you decide on what you want not bad to do just follow the directions

    Source(s): transmission man
  • Anonymous
    5 years ago

    When you say that the pain shifts, this leads me to think its your nerves. If pain persisted in your lower abdomen while the pain in your armpit comes and goes, then that would be a different story. Now there isn't a major nerve going from your abdomen to your armpit. So the problem probably isn't a pinched nerve. Instead, the nerves extend from the spine like ladder rungs. So I'd have to guess it might be a more general inflammation, either along the spine or along the left side of your body. As you move, breathe, digest food, etc., pressure can be relieved in one location and subsequently added in another location. As for the cause of the inflammation, it's hard to speculate. Some possibilities are wearing a heavy backpack only on one side, performing a repetitive activity such as shoveling, or even stress induced muscle tension. When these muscles become inflamed, they squeeze on the nerves causing pain in whatever area the nerve services. If this sounds probable, then potential solutions could be some gentle stretches to relieve some of the pressure on the nerves, taking over-the-counter anti-inflammatory medicine, and refraining from the offending activity. As with any diagnosis you seek here, you should ultimately speak with your doctor for a more conclusive answer.

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  • 1 decade ago

    Check out the links below!

    http://www.yourbittorrent.com/?q=atsg-700r4-techtr...

    http://www.bmracing.com/bmracing/catalog/BMCatalog...

    page 42 of the B&M catalog for 700R4 shift improver kit!

    Good Luck!

  • cutlip
    Lv 4
    4 years ago

    Manual Valve Body 700r4

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