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700R4 No Overdrive?

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Old 05-03-2019, 07:12 PM
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700R4 No Overdrive?
My Camaro has a 700R4 trans with a electronic lockup, I have no overdrive in it due to no ECM. (PO removed TPI and went carbed SBC with mechanical fuel system). There isnt a ECM in the car, that being said how can I get 4th gear without the ECM?
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Old 05-03-2019, 07:18 PM
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Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: 700R4 No Overdrive?
Toggle switch, or tci makes a lockup kit.
Last edited by Tuned Performance; 05-03-2019 at 08:19 PM.
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Old 05-03-2019, 07:34 PM
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Re: 700R4 No Overdrive?
So all I have to do is run power wire from batt to plug in on trans with a switch?
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Old 05-03-2019, 08:11 PM
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Car: 1967 Camaro, 91 z28
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Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: 700R4 No Overdrive?
https://www.thirdgen.org/forums/tran...51750-tcc.html
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Old 05-04-2019, 08:39 PM
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Re: 700R4 No Overdrive?
The electronics control lockup only. This has nothing to do with not having overdrive. You will have to install a 0-300 psi. gauge on this to get the readings on what pressure you have to see what is going on here.
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