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Old 04-28-2004, 10:31 PM
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700R4 trans swap

I am in the process of putting in a 700 R4 (early 83 model)into my 70 chevy 1/2 ton 350 ci pickup 2WD.
I am going to install one of the B&M speed sensor units for the torque converter lockup. Part number 70244.
My question refers more to the kick down cable or is it called the TV cable? Would I cause damage to the tranny if it was not hooked up, and I just shifted it manually. I have read some post about this TV cable being adjusted perfectly or problems could occur. Does this apply to my 83 model 700 R4

Thanks for your time

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Old 04-28-2004, 10:45 PM
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You heard right, you must have the tv cable hooked up on 700r4's. The tv cable takes the place of both the kick down cable and vacuum modulator so adjustment is critial. If you were to not hook it up the tranny will live a very very short life. I believe there adjustment procedure is explained in the knowlege base so go have a look there.
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Old 04-29-2004, 06:06 AM
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Above reply is "right on", the TV cable is VITAL to the life of the 700R4. It has to be adjusted precisely. The critical part is the ratio from the throttle centerline. Not only does the cable have to have no slack when the throttle is wide open, but the ratio (rate of opening) needs to be correct. There is a good article at the following site on the TV cable function.


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