700R4 No Overdrive?
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Joined: Mar 2019
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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?
Joined: Dec 2004
Posts: 16,752
Likes: 996
From: Mile High Country !!!
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; May 3, 2019 at 08:19 PM.
Joined: Dec 2004
Posts: 16,752
Likes: 996
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Supreme Member
Joined: Jul 1999
Posts: 3,479
Likes: 54
From: Calimesa, California, U.S.
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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