Transmissions and Drivetrain Need help with your trans? Problems with your axle?

700r4 kickdown bypass

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Old Nov 26, 2002 | 07:17 PM
  #1  
demon138's Avatar
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From: Alice, TX
Car: 89 Pontiac GTA Trans Am
Engine: T.P.I. 383 Stroker
Transmission: Monster 700R4
700r4 kickdown bypass

is there any way to get rid of this kickdown?
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Old Dec 2, 2002 | 11:14 PM
  #2  
laiky's Avatar
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I believe fairbanks makes a replacement valve that will eliminate the kick down and allow fullthrottle upshifts
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Old Dec 3, 2002 | 07:16 AM
  #3  
Pro Built Automatics's Avatar
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From: Calimesa, California, U.S.
Are you trying to eliminate the 4-3 downshift at speeds above 75 mph?
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Old Dec 6, 2002 | 02:57 PM
  #4  
Vicious 88 GTA's Avatar
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From: Rio grande Valley, Texas
Problem???

I have a problem with my upshift....1st-2nd is really tight and shifts at 4500rpm but 2nd-3rd I have to let off and get back on it to let it shift into 3rd at WOT...is this the same problem you have???.....AARON
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Old Dec 7, 2002 | 06:25 PM
  #5  
86IROCTHD's Avatar
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From: Dallas, Tx
Car: 88 Trans Am
Engine: lt1 intaked 355 makin 277 on 25 psi of fuel pressure and stock timing :)
Transmission: A4 stock... that moved a mobile dyno a foot shifting into 2nd :)
hey i am having this same problem, 1st to 2nd is GREAT but 2nd to 3rd i have 2 let off and then get on it agian..... and if i spray all through the gears it will never go into 3rd... but when i get off of it and let it shift and spray in 3rd it will downshift into 2nd and redline whats the problem......
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Old Dec 8, 2002 | 10:22 AM
  #6  
Ed Maher's Avatar
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From: Manassas VA
Car: 04 GTO
Engine: LS1
Transmission: M12 T56
No 2-3 shift at WOT is a sign of 3rd on it's way out. Maybe not immediately, bu probably is.
I've also heard the occasional whisper about there being a valve in the tranny that gets stuck and causes this problem too. I've had 2 700s with this problem, and searched and begged for help in tracking down which valve it is and what can be done, and never had any luck though.
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Old Dec 8, 2002 | 03:25 PM
  #7  
86IROCTHD's Avatar
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From: Dallas, Tx
Car: 88 Trans Am
Engine: lt1 intaked 355 makin 277 on 25 psi of fuel pressure and stock timing :)
Transmission: A4 stock... that moved a mobile dyno a foot shifting into 2nd :)
i just had this tranny rebuild not to long ago but i am out of warranty and its done it only since i have started to really mod up my car IE nitrous BTW i have 3.08 gears think that that could be some cause in it?
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Old Dec 9, 2002 | 06:10 PM
  #8  
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try adjusting your kick down cable by holding throttle wide open, then pull on cable for 1 more click... your car may not down shift as readily but might allow you to upshift as your wanting to
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Old Dec 9, 2002 | 07:57 PM
  #9  
Pro Built Automatics's Avatar
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From: Calimesa, California, U.S.
With the TV cable adjusted correctly, you should get the downshifts ok. DO NOT backoff on the adjustment to get lower rpm WOT shifts, you will lose line pressure and destroy the transmission.
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