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

permantely wiring tv cable out

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Old Jan 8, 2013 | 02:30 PM
  #1  
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permantely wiring tv cable out

If I extend the tv cable out by unhooking it from carb and either tying it into position or using vice grips to keep it out could it work? I mean unhooked you can't use it because of no line pressure, but going the other way should keep it pressure at max all time.

Will this hurt trans?
Can I shift manually?

I was going to look into a full manual valve body, but I don't have the cash so would this work?

Im very skeptical about the bracket on the car and the geometry.
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Old Jan 8, 2013 | 02:35 PM
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: permantely wiring tv cable out

You won't have control of upshifting, all your shifts will be late and hard.
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Old Jan 8, 2013 | 02:44 PM
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Re: permantely wiring tv cable out

Ok thanks. But it wont hurt trans due to line pressure? Should be similar to th350 with vacuum modulator unhooked?
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Old Jan 8, 2013 | 02:53 PM
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: permantely wiring tv cable out

The extra line pressure will hammer on things pretty good but you'll get tired of it long before it does any damage.
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Old Jan 8, 2013 | 02:55 PM
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Re: permantely wiring tv cable out

Anyone r got a picture of stock lg4 bracket?
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Old Jan 8, 2013 | 04:45 PM
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Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: permantely wiring tv cable out

Originally Posted by demonband2000
Im very skeptical about the bracket on the car and the geometry.
Then copy stock parts and their geometry. Look at the post I link below, then click the link at the top of it back to the original thread. The "dammit, read the site that goes over it" is there. The "here's what parts to use with a non-stock carb" is there. Pics of stock junk courtesy me, is there.

If you shift every time at full pressure, you'll break parts. Full pressure shifts at full engine power work because both modulate each other.

Originally Posted by demonband2000
Anyone r got a picture of stock lg4 bracket?
https://www.thirdgen.org/forums/post...40-post30.html
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Old Jan 8, 2013 | 07:27 PM
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Re: permantely wiring tv cable out

That looks to be the setup I have. Im guessing that I have a th350 kickdown bracket. This should work?
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Old Jan 8, 2013 | 09:38 PM
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From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: permantely wiring tv cable out

Either post pictures or say exactly what parts you're running.
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Old Jan 9, 2013 | 11:53 AM
  #9  
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Re: permantely wiring tv cable out

i will get pics when i get a chance

the bracket looks like it is a th350 bracket, holds the throttle cable and the TV cable. mounts on back of the carb using the two rear bolts
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Old Jan 9, 2013 | 03:51 PM
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From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: permantely wiring tv cable out

Just a guess (without your pictures) but that could be from a 1980s through 1990 Oldsmobile Q-jet application (b-body / g-body) or aftermarket.

Olds: http://image.chevyhiperformance.com/...2_200_12_z.jpg

Aftermarket: http://www.tciauto.com/tc/700-r4-200...delbrockr.html
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Old Jan 9, 2013 | 06:03 PM
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: permantely wiring tv cable out

What carb do you have?
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Old Jan 9, 2013 | 07:47 PM
  #12  
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Re: permantely wiring tv cable out

Looks quite similar to the Oldsmobile bracket.

The carb is a quadrajet.


Im coming to the conclusion, from everything I been looking at on the internet. That there are many different brackets of all shapes and sizes. Seems to be as long as it pulls the cable straight and the trans doesn't shift to early I should be fine?

Pics when I figure how to put them on..
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Old Jan 9, 2013 | 08:54 PM
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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: permantely wiring tv cable out

Originally Posted by demonband2000
Seems to be as long as it pulls the cable straight and the trans doesn't shift to early I should be fine?
Maybe
Properly setup the cable is supposed to be at certain points throughout the whole throttle movement ;
not just at full throttle
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Old Jan 9, 2013 | 09:51 PM
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From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: permantely wiring tv cable out

If your Q-jet has the OEM stamped bellcrank plate bracket with a swedged end (pressed / stamped) to retain that bracket,) it more than likely is the correct carburetor attachment point.

Now go back and read the "700-R4 shifts late" thread again. There's a link to TV made EZ and it goes over everything needed to set it .
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