700r4 with LT1
03-30-2008, 11:17 PM
#1
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Car: 92 Quasar blue TA
Engine: L98
Transmission: T5
Axle/Gears: 3.42
700r4 with LT1
I know that the 4L60eE is electronically shiffted and I am wanting to use my 700R4 tranny, how will the LT1 ECM act with those wires for the transmission not hooked up? Thanks!!!!!
03-31-2008, 06:18 AM
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Car: 1987 GTA
Engine: LT1
Transmission: T56
Axle/Gears: 9 bolt 3.70 posi
Re: 700r4 with LT1
You will have to get a lockup kit for the converter, you may end up having stall issues due to not getting a VSS signal from the transmission and you'll have to run a '93 TB so you can hookup the cable to the transmission.
If you can find a 4L60E, you will be better off.
If you can find a 4L60E, you will be better off.
03-31-2008, 08:07 AM
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Car: 92 Quasar blue TA
Engine: L98
Transmission: T5
Axle/Gears: 3.42
Re: 700r4 with LT1
Klortho, ya the more and more that I read I think that I am better off, bad part about it I just sold one that I had out of my Blazer! Thanks
03-31-2008, 01:04 PM
#5
Re: 700r4 with LT1
I've posted how to make this work several times on this site. There might even be a link in the LT1 Q&A sticky thread at the top. TCI has released a product recently that would allow the 700r4 to not need a tv cable which means you wouldn't need the 93 tb or the 93 tv cable. I think it costs $200.
With or without TCI's new product, its pretty easy to do. However, get a 4L60E if you can.
With or without TCI's new product, its pretty easy to do. However, get a 4L60E if you can.
Last edited by Firebat; 03-31-2008 at 01:11 PM.
03-31-2008, 05:10 PM
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Car: 92 Quasar blue TA
Engine: L98
Transmission: T5
Axle/Gears: 3.42
Re: 700r4 with LT1
Firebat, I read all your post on how to do this, I am just going to go with the 700 tranny! By the way very good posts with alot of knowhow!!!! Great site hell its helped me out already!!!
03-31-2008, 05:42 PM
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Car: 82 Berlinetta/57 Bel Air
Engine: LS1/LQ4
Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
It's a better transmission.
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03-31-2008, 08:18 PM
#8
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Car: 1987 GTA
Engine: LT1
Transmission: T56
Axle/Gears: 9 bolt 3.70 posi
Re: 700r4 with LT1
The 4L60E is a better transmission than the 700R4, even though people say they're the same, the internals are better and by the time you bought the parts to put the 700 behind the LT1 and make it to where the transmission is sending the correct VSS signal to the LT1 PCM, time and labor, you could have bought 2 4L60Es
03-31-2008, 09:52 PM
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Car: 92 Quasar blue TA
Engine: L98
Transmission: T5
Axle/Gears: 3.42
Re: 700r4 with LT1
I am going with the 4L60E, Klortho after what you wrote about the cost I was thinking that also tonight, Buy the time I rebuilt it and replaced servos stronger drums and the Vss and the new TB it would cost a lil bit more than what I could pic up a good used one for here locally. My 97 Z's tranny went out (tore a hole in pan and burnt it up) I bought a used tranny and had it rebuilt by a local shop and only had $700 rapped up into it!! Started to tear apart My 85 TA tonight! Its work in progress!
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