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

do i need a trans??

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Old Nov 8, 2012 | 07:45 AM
  #1  
88FormulaF_Bomb's Avatar
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From: nw indiana
Car: 1988 firebird formula 350
Engine: L98
Transmission: 700r4
Axle/Gears: 2.77
do i need a trans??

my stock 700r4 holds shifts until 5300-5500 rpm even when power shifting. it also does not chirp into 2nd anymore. it drastically affects my acceleration. do i need a new trans does my tv cable need to be set?


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Old Nov 8, 2012 | 11:18 PM
  #2  
jmd's Avatar
jmd
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From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: do i need a trans??

Sounds like it could be a similar issue to this one and hopefully easy and inexpensive to fix:

https://www.thirdgen.org/forums/tran...ing-700r4.html

As for "even when power shifting," shifts with a 700-R4 don't upshift if the shifter is moved unless the governor has already commanded them hydraulically.
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Old Nov 9, 2012 | 11:45 AM
  #3  
88FormulaF_Bomb's Avatar
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From: nw indiana
Car: 1988 firebird formula 350
Engine: L98
Transmission: 700r4
Axle/Gears: 2.77
thats not what my trans is doing at all. it provided ZERO help.


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Old Nov 10, 2012 | 07:18 PM
  #4  
jmd's Avatar
jmd
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From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: do i need a trans??

Then go back and re-word your first post to clarify or take video.
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