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700r4 WOT Shift Point HELP!

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Old 10-26-2008, 11:19 AM
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Location: Hurst, Texas
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Car: 1983 G20 Chevy
Engine: 305 TPI
Transmission: 4L60
Axle/Gears: 14 bolt with 3.07 gears
700r4 WOT Shift Point HELP!

Well as it states above I am trying to get the shift points right on my 700r4. I have the TCI shift point correction kit and many stock springs and weights. Right now I am running the Corvette body and playing with the springs. No matter what I do, I end up with a 1-2 upshift that is MUCH higher than the 2-3. 1-2 is now occuring with the engine bouncing off the 6K rev-limiter and 2-3 is happening a full 1,000 rpm earlier at 5K. I have tried so many combinations of weights and springs. I am tired of climbing under the darn thing and removing the governor, swapping stuff, and climbing back under to re-install. I know I will eventually get it right, but any tips would be appreciated. I am about ready to rip this 700r4 out and install a 60E, I am that tired of messing with it.

Old 10-27-2008, 11:36 AM
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Re: 700r4 WOT Shift Point HELP!

I'm fascinated by this, as I have honestly never looked at the tach at the top of second gear. Sounds impossible, huh? Anyway, good luck!
Old 10-27-2008, 01:11 PM
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Join Date: Jan 2005
Location: Hurst, Texas
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Car: 1983 G20 Chevy
Engine: 305 TPI
Transmission: 4L60
Axle/Gears: 14 bolt with 3.07 gears
Re: 700r4 WOT Shift Point HELP!

Originally Posted by Atilla the Fun
I'm fascinated by this, as I have honestly never looked at the tach at the top of second gear. Sounds impossible, huh? Anyway, good luck!
I don't even have a tach in the vehicle, I am recording the runs via datalogging the 8192 baud datastream of the 7730.
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