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Old 04-25-2011, 11:16 AM
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Shifting problems on a 700-R4

I've receintly preformed a top end swap from TBI to CARB on an '87 chevy 1/2 ton pick up. i used a Summit intake manifold and a 750 Edelbrock carb. the motor purs like a kitten the tranny on the other hand is something of a mistory to me. i have little experience insind a tranny of any kind and this one will not adjust no matter what i do. Chilton's and Haynes are lost. I get surging when in drive w/ WOT. Need guidence, help and general knowlege base.

V/R
War Eagle

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Old 04-26-2011, 05:56 PM
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Surging

Is the Surging from Engine waiting for carburation? Or Searching to shift?
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Old 04-26-2011, 06:02 PM
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Hi
Check our knowledge base. Button at top of page, click transmission & rear, type in the problem, read the reply's
Rich
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Old 04-26-2011, 07:05 PM
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Quote:
Originally Posted by vdubwizard
Is the Surging from Engine waiting for carburation? Or Searching to shift?
Shearching to shift. the engine is reving up , but the tranny will not shift into the next gear.
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Old 04-26-2011, 07:21 PM
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No Shift

Do you have a cable that goes to the trans for kick down?Small cable needs to go into trans to tell trans what to do. I had to replace mine when doing a Shift Kit. There is a kit that is universal to hook up the little cable with Bracket and if you go to a junk yard and look at most S-10, Blazers, and not sure of what other models, but have to ask, trans was fine? Cable is hooked up? Fluid within specs? Linkage not binding? Reverse?

Last edited by vdubwizard; 04-26-2011 at 07:22 PM. Reason: Spelling
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Old 04-26-2011, 07:30 PM
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Warrensewell,

I have a 700r4 in my 76 sprint. The transmission came out of a 1989 chevy of some kind.

While the engine was NOT RUNNING, I pulled the TV cable out as far as I could then held the carburetor at wide open throttle. I then tightened the cables adjustment lock. I then let carburetor go back to the idle position. I then drove it around and everything was good. I had a turbo 350 in it before I swapped to the 700r4. I used the bracket at the carburetor that was holding the passing gear kick-down cable. It lined up and it works great.

Scholman
retired
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Old 05-13-2011, 08:48 AM
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The truck drives fine when your not stomping the gas. When you do the whole system goes hay-wire. fluid is fine ,filter is new ish, i seen a bracket for the edelbrock carb. line that is supossed to correct allignment issues with the cable is there any truth to this, is it needed?
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Old 05-13-2011, 08:53 AM
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yes you need proper TV cable alignment and adjustment. if not shift points will be off, line pressure may be too low and you can easily destroy the transmission

http://www.tvmadeez.com/
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Old 05-13-2011, 04:48 PM
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TV cable geometry corrector. Prevents low line pressure & corrects idle pressure rise.
http://www.summitracing.com/parts/SUM-700203/
You also need the correct TV cable Bracket.
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Old 05-14-2011, 09:09 AM
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TV Cable

Quote:
Originally Posted by SSedan64
TV cable geometry corrector. Prevents low line pressure & corrects idle pressure rise.
http://www.summitracing.com/parts/SUM-700203/
You also need the correct TV cable Bracket.
to which TV Cable bracket are you refering to.

Part number:
Source:

V/R
warren Sewell
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Old 05-14-2011, 03:01 PM
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A stock OEM TV cable bracket will work with minor mods but, as you had TBI you probably don't have one for a Carb.
The Bracket used with the TBI may be modded to fit, not sure tho'.

This http://www.summitracing.com/parts/SUM-G1414/ with this http://www.summitracing.com/parts/SPE-2429/ these parts can sometimes be flimsy/bendy.

This will also work http://www.summitracing.com/parts/HLY-20-95/

This ones for TV cable mounting only http://www.summitracing.com/parts/JET-700225/
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Old 06-08-2011, 01:13 PM
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i was woundering if i should go with the Summit throtle bracket that mounts to the carb? The bracket has a place for the TV cable and the Throtle cable. I've received the diagram for the measurments on the TV cable, with the three components TV cable, Throtle cable, and the Summit bracket would that work to correct the shifting problems?
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Old 06-08-2011, 02:30 PM
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This http://www.summitracing.com/parts/HLY-20-95/ and this http://www.summitracing.com/parts/SUM-700203/ should work.
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Old 06-13-2011, 11:46 AM
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Thank you all for the information. Joining the forum has proved to be my best and most trusted alley in the diagnosis of the problems in my ride.

V/R

Warren Sewell
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