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4.3 Vortec without computer

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Old Feb 8, 2012 | 12:42 PM
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4.3 Vortec without computer

I'm helping a friend install a 4.3 Vortec in a 58 Jeep FC truck. The one thing not wanted is the computer. What intake manifolds are available and what carburetor would work? Just want something that runs well, not going for 10-sec quarter miles. What other issues will I have if not using the computer?
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Old Feb 8, 2012 | 12:50 PM
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: 4.3 Vortec without computer

Edelbrock 2114, you don't state what transmission he is using. That maybe the only concern with not having a ecm.
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Old Feb 8, 2012 | 12:55 PM
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Re: 4.3 Vortec without computer

The plan was to use the stock transmission. The engine/trans came from a Chevy truck.
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Old Feb 8, 2012 | 01:03 PM
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: 4.3 Vortec without computer

4L60E ? If so you can install a tcc lockup kit from tci 376600
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Old Feb 8, 2012 | 01:45 PM
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Re: 4.3 Vortec without computer

checking the trans later today. I think that's the one. I heard about something called Compushift for about $1100. Thanks I'll look into TCI, don't know who they are yet.
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Old Feb 8, 2012 | 05:10 PM
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Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: 4.3 Vortec without computer

Originally Posted by tunedperformanc
4L60E ?
If so you can install a tcc lockup kit
Needs a controller for the "E" version as everything in trans is controlled by the PCM

Lockup kit only works with earlier T700 /4L60 which would be the cheaper option for the OP in this case.

Originally Posted by kauaikarl
. I heard about something called Compushift for about $1100.
Sell / swap the "E" trans from the truck for a 4L60 that only needs convertor lockup ; not a $1K controller
$10 of parts from Radio shack will get you convertor lockup function

Last edited by vetteoz; Feb 8, 2012 at 05:15 PM.
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Old Feb 8, 2012 | 05:17 PM
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: 4.3 Vortec without computer

Opp's typed that wrong, Like vette oz said if you don't have a 700r4 get one.
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Old Feb 9, 2012 | 12:28 AM
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Re: 4.3 Vortec without computer

yes, the transmission is that number...it's the "E" version...

Last edited by kauaikarl; Feb 9, 2012 at 12:30 AM. Reason: adding the E
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Old Feb 9, 2012 | 12:51 AM
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: 4.3 Vortec without computer

Originally Posted by kauaikarl
yes, the transmission is that number...it's the "E" version...
It will not operate without the stock PCM or an expensive aftermarket controller
Seriously consider swapping it for the non-Electronic version

For a carb swap ,you can get the earlier T700/4L60 trans modified with a internal switch so you only have
to run 1 wire to it and the convertor will automatically lock up every time it goes into 4th gear
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