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

Shift setting at WOT

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Old May 27, 2001 | 05:22 AM
  #1  
gregz28's Avatar
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From: Ramstein AB, Germany
Shift setting at WOT

For a 700R4 and 305 TPI setup, whats the most effective RPM to set the throttle valve cable to shift at WOT? I installed a shift kit and adjusted it to shift at 5000 (redline) from 1st to 2nd, it also shifts at redline from 2nd to 3rd at WOT. I have set it from 4000 up to 5000, and am not sure whats most effective. It seems when it shifts at redline it gets hung up for a second waiting to get to the sweet spot and shift, and at 4000-4500 it seems too early...

------------------
91 Z28 305 TPI
Plans for 383...
Jet-coated TES headers, Flowmaster cat-back,
SLP cam, Cloyes double roller timing chain, TPIS shocks/struts, TPIS STB, adj. fuel press. regulator, 170 stat, B&M shift kit, BMR 1.5" springs, Fastchip custom chip, gutted air box/ ram air from fog light intake, K&N cone filter, 2" cowl hood, Hurst dual gate shifter, Mac Ewen white face overlays

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enforcement on your
A$$? Welcome to Europe.

3rdgeners in Europe: Join us...
www.fbodyeurope.com

[This message has been edited by gregz28 (edited May 27, 2001).]
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Old May 27, 2001 | 08:28 AM
  #2  
transfixleo's Avatar
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From: Webster, N.Y.
WOT shift points are actually a function of the governor VS. Max TV. When you set it so that the WOT is lower, you also are not getting Max line pressure under those conditions. If you want different WOT shift points you need to make changes at the governor, not TV.

To adjust the TV Cable skip the book method and do this: Press the D button on the adjuster and loosen the cable setting. Now, have someone floor the gas pedal while you check to see if the throttle plate is open all the way. Usually they are off a little and will wiggle. Do whatever you have to do to get it open solid. Now, with the pedal floored, press the D button and pull the cable back as hard as you can and release the button. You now have the engine, tranny and gas pedal all in sync at WOT. Mark the cable so if for some reason it gets moved you can know where to put it again. The problem with the 'self adjust method' is that it bends things and puts them permanently out of whack. It is also the full TV setting, which is theoretically what the GM method does.


[This message has been edited by transfixleo (edited May 27, 2001).]
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Old May 27, 2001 | 09:48 AM
  #3  
gregz28's Avatar
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From: Ramstein AB, Germany
Ill try that. The governor has no role anymore since the custom chip completley took it out...

------------------
91 Z28 305 TPI
Plans for 383...
Jet-coated TES headers, Flowmaster cat-back,
SLP cam, Cloyes double roller timing chain, TPIS shocks/struts, TPIS STB, adj. fuel press. regulator, 170 stat, B&M shift kit, BMR 1.5" springs, Fastchip custom chip, gutted air box/ ram air from fog light intake, K&N cone filter, 2" cowl hood, Hurst dual gate shifter, Mac Ewen white face overlays

150 MPH without law
enforcement on your
A$$? Welcome to Europe.

3rdgeners in Europe: Join us...
www.fbodyeurope.com
Reply
Old May 27, 2001 | 10:20 AM
  #4  
transfixleo's Avatar
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From: Webster, N.Y.
Whoa there. The chip doesn't affect shift points unless you have a 4L60E, The 700 is hydraulically controlled except for lock up (probably what you mean).
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