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

New 700R4, goodies added: 5500RM shift too high?

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Old May 25, 2005 | 04:27 PM
  #1  
Oshdog's Avatar
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Joined: Oct 2004
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From: Earth
Car: All GM
Engine: All Chevy
Transmission: TH350 / 700R4 / 4L60E
Axle/Gears: custom GM 8-1/2" 456 posie
New 700R4, goodies added: 5500RM shift too high?

New 700R4, goodies added: 5500RM shift too high?

I just had my 700R4 rebuilt to bolt to the back of my /87 5.7 TPI

They used a “Beast” shell, raybestos bands and 3-4 clutches, Superior HP shift kit, Superior K-017 hydraulic lock-up, new oversized trans cooler etc. (The K-017 eliminates the need for a computer lock-up or wired switch)

The transmission works very well, but I am having a bit of a hard time setting up the cable adjustment. If I adjust the cable too far out it will not down shift from 2nd to 1st, and if I adjust it in enough to down shift into 1st from 2nd it will not up shift on full throttle until I hit like 5500 RPM.

What RPM should a 700R4 be shifting at on full throttle runs and still be able to down shift from 2nd to 1st with the gas pedal only?
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Old May 25, 2005 | 05:54 PM
  #2  
five7kid's Avatar
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
You adjust the TV cable so that it is all the way out at full throttle. You don't adjust the TV cable to change the shift points - wherever it shifts with the TV cable properly adjusted is where it shifts.

You modify the govenor to adjust the shift RPMs.
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Old May 25, 2005 | 11:48 PM
  #3  
88Camaro350's Avatar
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Joined: Apr 2003
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From: B'ville, WV
Car: 2002 Formula Firebird
Engine: LS1
Transmission: 4l60e
Axle/Gears: 3.23
I had a heck of a time adjusting my b&m megashifter to work right with my 700r4. I had trouble getting it to go into park or 1st consistantly.

But now with my th350 it goes in very easy. I didn't even have to readjust it.
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Old May 26, 2005 | 08:48 AM
  #4  
Oshdog's Avatar
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Junior Member
 
Joined: Oct 2004
Posts: 81
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From: Earth
Car: All GM
Engine: All Chevy
Transmission: TH350 / 700R4 / 4L60E
Axle/Gears: custom GM 8-1/2" 456 posie
You adjust the TV cable so that it is all the way out at full throttle. You don't adjust the TV cable to change the shift points - wherever it shifts with the TV cable properly adjusted is where it shifts.
You modify the govenor to adjust the shift RPMs.

Thanks, I did not know that, I thought the cable ajustment was for shifts also.

How is the govenor adjusted? do I drop the pan? Is it in the valve body?

Lastly does the shift kit change the RPM of the shifts? or does it just make it shift like it should?
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Old May 26, 2005 | 12:33 PM
  #5  
RMK's Avatar
RMK
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Joined: Apr 2000
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Car: 87 IROC
Engine: modded LB9
Transmission: Pro Built 700R4
Govenor works off of springs. There is a dome on the drivers side near the speedo cable. Prise it off and the govenor will just pull out.
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