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Will not upshift at WOT??

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Old 12-08-2014, 06:58 AM
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Car: 1982 Z-28
Engine: 5.0 w/ Holly carb
Transmission: TH-700R4
Will not upshift at WOT??

My stock TPI '86 IROC-Z will not upshift at WOT. It shifts fine at part throttle and normal driving. I have not tried the governor adjustment spring weight kit yet. The TV cable has been adjusted to the correct spec. I did replace the governor with one from a stock '89 IROC but it only changed the part throttle shift points slightly. The upshift delay is so bad, that I believe the engine would fail before it would shift.

I have read a lot of info about adjusting the shift points with the governor weights and springs. But it would be helpful to have it upshift first.

Thanks, Andy

WOW, I just realized that in a couple of months I will have been a member for 15 years!

Last edited by ANDYZ28; 12-08-2014 at 07:07 AM. Reason: update
Old 12-09-2014, 01:00 AM
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Re: Will not upshift at WOT??

Back when i owned an evo 5 lockout on upshifts would occur if the clutch pedal wasnt adjusted properly it wouldnt completely disengage and that would cause the lockout. Adjusted the clutch and then it was fine.
Old 12-09-2014, 07:06 AM
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Car: 1982 Z-28
Engine: 5.0 w/ Holly carb
Transmission: TH-700R4
Re: Will not upshift at WOT??

Originally Posted by joestubbs69
Back when i owned an evo 5 lockout on upshifts would occur if the clutch pedal wasnt adjusted properly it wouldnt completely disengage and that would cause the lockout. Adjusted the clutch and then it was fine.
My 700R4 shifts correctly at all normal driving. But will not upshift at WOT.

Thanks, Andy
Old 12-09-2014, 09:07 AM
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
Lower down in this section there is a how to I put together on how to enable the WOT 3-4 shift with pics.

OP I bumped my thread to bring it to the top. Have a look.

Last edited by willexoIX; 12-09-2014 at 12:56 PM.
Old 12-09-2014, 09:08 AM
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Car: 89 Camaro RS running MS2X
Engine: .48/.60AR T3/T4 2.8L V6
Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
Originally Posted by joestubbs69
Back when i owned an evo 5 lockout on upshifts would occur if the clutch pedal wasnt adjusted properly it wouldnt completely disengage and that would cause the lockout. Adjusted the clutch and then it was fine.
Has nothing to do with a clutch, this is an auto trans.
Old 12-09-2014, 11:40 AM
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Car: 1982 Z-28
Engine: 5.0 w/ Holly carb
Transmission: TH-700R4
Re: Will not upshift at WOT??

Originally Posted by willexoIX
Now you see, if my how to thread had been stickied this question probably wouldnt have been asked.

Lower down in this section there is a how to I put together on how to enable the WOT 3-4 shift with pics.

OP I bumped my thread to bring it to the top. Have a look.
My transmission will not upshift 1-2 2-3 or 3-4.
Old 12-09-2014, 12:56 PM
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Transmission: Rebuilt 700R4 2500 stall
Axle/Gears: Next to break...
Originally Posted by ANDYZ28

My transmission will not upshift 1-2 2-3 or 3-4.
My bad, not enough caffiene.
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