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

tv cable

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Old 03-17-2009, 11:22 AM
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Car: IROC Z28
Engine: 5 litre 305
Transmission: 700r4
tv cable

with the kickdown cable disconnected on a tpi should the car still change gear, i take it it does'nt.

ive just fitted a different engine and box but waiting for the kickdown cable to arrive, i took it for a spin today with out the cable and it stayed in 1st would not shift i take it this is right
Old 03-17-2009, 12:51 PM
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Car: seeking '90.5-'92 'bird hardtop
Engine: several
Transmission: none
Axle/Gears: none
Re: tv cable

Don't drive it this way, you will kill the trans! The TV cable does so much more than just kickdown. Running around without it, you have only around 50 psi line pressure, while normally you need around 200 at half-throttle. You don't always get that, but 50 psi at full throttle WILL kill the trans. I've been there, done that.
Old 03-17-2009, 01:37 PM
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Car: IROC Z28
Engine: 5 litre 305
Transmission: 700r4
Re: tv cable

cheers, the cars off the road anyway i just went down the lane and back with it, ill get one on it asap then
Old 03-17-2009, 01:40 PM
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Car: IROC Z28
Engine: 5 litre 305
Transmission: 700r4
Re: tv cable

should it change gear tho with out it?
Old 03-17-2009, 02:16 PM
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Car: 84 frankenstein Z28
Engine: 350
Transmission: 700R4
Axle/Gears: 3.73
Re: tv cable

Originally Posted by IROCmatt
should it change gear tho with out it?

It can, but usually does a pretty crappy job if it does. From what I know the tv cable is the low tech method of the engine telling the trans what it is doing. It controls shifting a lot more than some people give it credit for. I remember when my tv cable was out of adjustment I could hardly get the thing to shift out of second without peddling the throttle.
Old 03-17-2009, 02:46 PM
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Car: IROC Z28
Engine: 5 litre 305
Transmission: 700r4
Re: tv cable

ok should be alright then, it did not change out of first but the cables off all together so surely when its on it should make it change, im only woried as its a different box ive never seen work
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