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

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Old Jun 19, 2002 | 04:26 PM
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From: Lenhartsville, PA
Stupid question

I don't want my TCC to lockup until I am decent at burning proms so I can adjust some of the constants. Anyway, I unplugged the lockup connector from the tranny. Will this keep it unlocked so I don't worry about burning up the clutches? Thanks for the help.
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Old Jun 19, 2002 | 06:58 PM
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SSC
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From: Pueblo Co
Car: 1989 C4
Engine: L98
Transmission: 700r4
Axle/Gears: 307
Actually its the reverse. When the TC is locked, it reduces friction. If the Tc is unlocked the transmission will generate more heat thus producing more wear on the clutches.
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Old Jun 19, 2002 | 09:49 PM
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From: Lenhartsville, PA
So when the TC is locked, the clutches are disengaged, and when the TC is unlocked the clutches are engaged?
So by unplugging the lockup connector did I permanently disengage or engage the clutches?
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Old Jun 19, 2002 | 10:01 PM
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From: Pueblo Co
Car: 1989 C4
Engine: L98
Transmission: 700r4
Axle/Gears: 307
When people refer to the TC clutch that’s the clutch inside of the torque converter. That clutch is what locks and unlocks and is unlocked when the plugin is disconnected. The actual R1234 clutches have nothing to do with the TCC lockup it's just when the TCC is disengaged your car will turn more RPM @40+ MPH "40+ being lockup speed". This extra RPM will increase heat and have an adverse effect on the actual R1234 clutches.
www.700r4.com/ has a few articals about TCC lockup that will probabaly be usefull for what you are doing.
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Old Jun 20, 2002 | 04:04 PM
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From: Lenhartsville, PA
Thanks a lot, that really cleared things up for me.
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