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ok so on my v8 luv theres the kickdown cable just sitting on the top of the engine. never hitched one up before and honestly have no idea what it does. any suggestions?

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What type of tranny?

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FIAA!

SFPP!

If you still have a stock rear axle, dont bother with it. 4.56 axle gears aren't tall enough to put enough of a load to the trans to get it to drop into passing gear.
If you have a different axle with a taller gearset, it can be helpful if you have a load on the truck or you're driving up a steep hill. I got 2.75 gears and i rarely ever feel the kickdown work.

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Previous setup: 4.1 Buick V-6/TH 350
Current setup: 400 Small Block Chevy V-8/TH 350
9" ford rear end/short bed/blue
What do Water, Electricity and Humans have in common... They all travel the path of least resistance.

i dont know the tranny but it is a 3 sp auto the motor is a buick 350. the rear is out of an s-10, dont know the gears though, wow, i aint much help....

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Most people think of their skin as an ally. Makes me rethink having skin at all

I'm thinking that the trans is a TH 350. The only way to find out if it will be of any good to you, you'll need to hook it up and properly adjust it.
If you're running a stock Buick intake, carb and throttle cable bracket, the kickdown cable will connect without any problems but im assuming that you dont have those stock Buick parts or you wouldn't be asking.
What carb and intake are you running? If you have a typical Holley 4 bbl, you can get a universal throttle cable/kickdown cable bracket from your local chain parts store. You may need to get a fitting of some kind to attach the cable end to the throttle linkage.
Basicly, the cable will put the transmission in to a lower gear when you stomp on the pedal. That is, when conditions warrant this like a passing situation, carrying a heavy load or climbing a steep hill.
A 350 powered LUV has next to no load on it so it barely comes into play.

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Previous setup: 4.1 Buick V-6/TH 350
Current setup: 400 Small Block Chevy V-8/TH 350
9" ford rear end/short bed/blue
What do Water, Electricity and Humans have in common... They all travel the path of least resistance.

Good post Blue meanie. If it's a TH400 tranny though, it would be best to hook it up.

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If you think no one cares, try missing a couple of payments...



FIAA!

SFPP!

its got the stock intake and 2 bbl carb on it. when i drive it it seems to do really good as far as pulling itself.

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Most people think of their skin as an ally. Makes me rethink having skin at all

With a stock carb and intake, the stock throttle cable bracket should have a provision for the kickdown cable. My first Buick V-6 conversion setup had stock components and it placed the kickdown cable bracket really close to the firewall. I got it connected and it had no effect on the transmission because of the weight of the truck and the stock axle gear ratio.
I later removed the cable for fear of having the throttle bind up. Once i got a Ford 9" differential with tall gears, I elected to put the cable back in and it and it had it's benefits.
Now with a smallblock V-8, i have to climb a hill from a dead stop to get it to function.

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Previous setup: 4.1 Buick V-6/TH 350
Current setup: 400 Small Block Chevy V-8/TH 350
9" ford rear end/short bed/blue
What do Water, Electricity and Humans have in common... They all travel the path of least resistance.

I have the same problem as Blue, right against the firewall. Got it ran so it will work but like everybody else has said, no reason for it to ever kickdown.

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RIP R.J.B.

ok, sweet. i am pretty sure i aint going to hook it up cause i dont have a problem with it. but thanks for all you advice

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Most people think of their skin as an ally. Makes me rethink having skin at all

TH400's don't have kick down cables,and the cable on the TH350 isn't just to shift down it is to raise the line pressure in the trans so the clutchs have more pressure at wide open throttle (WOT)

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1978 pro street step/side 455Buick, 4sp,4.11s, 31/18.5s

I Beleive TJ Is Right. But Maybe It's A Detent Cable? No He Said It Was A 3 Speed Nevermind.

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TJ, I have 2 400's in my shed, both have cables on them. They might not be a kickdown cable, though they hook up by the carb linkage like a 350. They will work without the cables, but I read an article somewhere that not hooking them up causes some premature wear internally. Not sure on what part. The 2 I have both came out of 3/4 ton Chevy's. The bop ones may not have a cable. Sorry if I confused anyone. The 2 I have both take the 400 yoke, TH375 perhaps?

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FIAA!

SFPP!

I thought the whole turbo hydramatic series of boxes were electric/vacuume kickdown governed.

Via the vacuume signal to the modulator it could tell the load on the motor and make the box hook up hard or drop a gear.


Its possible i suppose that the cable is to replace the vacuume signal because some motors dont give a good enough signal.


Whatever just a thought from a guy who doesnt know that much about the topic. lol.


Bob.

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