a/t kickdown cable adjustment - Hot Rod Forum : Hotrodders Bulletin Board
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Old 10-25-2003, 10:11 PM
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Unhappy a/t kickdown cable adjustment

I have a 78 El Camino with a SB350 V-8. I just put new Hedman headers on and a lot of engine "dress up" accessories. I replaced the stock throttle cable bracket with a chrome one, but am not sure how to adjust the kickdown cable. I have a Haynes manual that explains it in full detail, but am not sure if I am doing it right. I have also read a lot of posts on this sight that talk about the kickdown cable but don't explain step by step how to adjust it. When I took the stock bracket off, the kickdown cable "slide" was bolted so that it did not "slide", when the throttle moved so did the kickdown cable. Right now it is "loose" so that it only moves when the throttle is wide open (thats what the book says) which is right??? When I punch the gas to the floor the transmission does not shift quickly out of first gear, when I drive normal it still doesn't shift quickly. Any suggestions would be greatly appreciated.

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Old 10-25-2003, 11:44 PM
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The cable does need to slide on the carb pin. If not, you can pull the cable out of the tranny, or break the linkage inside the tranny.

If it shifts slow, you may need some attention given to the overall condition of the tranny.
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Old 10-27-2003, 12:17 AM
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Not sure what you're trying to achieve...

TH 350 kickdown cables don't have (as far as I know) anything to do with how quickly the tranny shifts from one gear to the next, you could just shift it manually if you wanted and it should snap right into the next gear without any trouble. Check your fluid if its shifting slowly and make sure the fluid isn't all burned up.

As far as actually adjusting it, its a matter of taste. Bolt it to the throttle on your carb wherever you want the shift points to be. Unlike a Chrystel, this tranny isn't going to burn up if you do it wrong, so have fun playing with it.
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Old 10-27-2003, 07:06 AM
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Jmark's right, the "cable" needs to move, not the housing, your kickdown cable should be at the end of it's travel with the throttle wide open, fasten the housing when you get to that point. if that doesn't help, check the vac. modulator on the trans. should hold vacuum,and check hose connections at both ends, check eng for vacuum leaks, the more throttle, the higher the shift points!
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Old 10-27-2003, 08:04 AM
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Smile

Thanks to all. With your help and info from other posts I was able to attach the cable correctly and have adjusted the shift points to my preference.
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