How to correctly adjust kickdown cable on TH350 - Chevelle Tech
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  #1  
Old Jul 2nd, 05, 10:52 AM
elcamino72 elcamino72 is offline
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Question How to correctly adjust kickdown cable on TH350

Ever since I switched from a 2bbl to a 4bbl many years ago, my transmission kickdown on my TH350 in my 1972 has been goofy. Last night, after I had finished up some work I was doing on the car I reattached the throttle cable and the transmission kickdown cable and took the car out for a ride. You can imagine my delight when the old girl dropped down into first at 40mph. I had forgotten it did this at all, I'd been so used to it just going to second.

So my question is, how do I CORRECTLY adjust the kickdown cable on my TH350?
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  #2  
Old Jul 2nd, 05, 8:09 PM
elcamino72 elcamino72 is offline
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Talking Re: How to correctly adjust kickdown cable on TH350

Okay, I got it, WOW what a difference!!!

This is how I did it.

My cable has a tab you pull up, this releases the tension. I then opened the throttle all the way and then pushed the tab back down. It works perfectly! Wow, what a world of difference. I can't remember the last time the tranny downshifted correctly!!!
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  #3  
Old Mar 17th, 07, 7:51 PM
TD's68btrnut TD's68btrnut is offline
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Default Re: How to correctly adjust kickdown cable on TH350

Perfect advice. I found my tab, pulled it up, pulled the cable to the right spot, pushed the tab back down, Presto, finished. Car kicks down awesome. Thanks. And Thanks for the Archives.

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  #4  
Old Mar 30th, 07, 1:07 PM
81z28 81z28 is offline
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Default Re: How to correctly adjust kickdown cable on TH350

Where is this tab located ??
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  #5  
Old Mar 30th, 07, 1:29 PM
blue66 blue66 is offline
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Default Re: How to correctly adjust kickdown cable on TH350

At the mounting point of the cable housing on the manifold.
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  #6  
Old Mar 30th, 07, 4:48 PM
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Default Re: How to correctly adjust kickdown cable on TH350

Some cars like my '69 Malibu don't have a tab (and spring), just a slider with clamp arrangement. The only way I could get mine to kick down was to adjust it so the cable from the trans was pulled out as far as it would go at the same time the carb reached WOT.
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  #7  
Old Apr 15th, 07, 12:12 AM
dscabra dscabra is offline
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Default Re: How to correctly adjust kickdown cable on TH350

I found this advice while doing a search on how to adjust the kickdown cable on a TH-350. My 70 El Camino would rarely (if ever) down shift when mashing the throttle at any speed. After reading the advice previously posted in this thread, I adjusted my cable today and -- WOW! I didn't know my car could get on it like that. At 60 mph, I can give it full throttle, and the car will drop to 2nd gear and hold it up to about 80 mph. At 40 mph, I can give it full throttle and the car will shift to 1st gear and bark the tires as it takes off. I'm loving this new found performance! Thanks to the original poster for the great advice.
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  #8  
Old Mar 27th, 13, 11:30 PM
gagek gagek is offline
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Default Re: How to correctly adjust kickdown cable on TH350

So im working on my 66 chevelle, It had its original 283 and 2 speed powerglide, column shift. Ive just installed a 350 4bolt main with 850 cfm double pumper carb, along with the th350 that came with the motor. I also converted it to a floor shift. my question is can my original kick down cable from the 283/powerglide setup be adjusted to be compatible with my new motor and trans, I know the th350 has an extra gear but im just wondering what the best way to go is. definitely not a mechanic by trade, and parts and good advice are nearly impossible to find here in Alaska. any thing will help...Thanks for your time
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Old Mar 28th, 13, 4:59 AM
bracketchev1221 bracketchev1221 is offline
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Default Re: How to correctly adjust kickdown cable on TH350

In the above posts, does anyone have a picture of this tab? I'm not sure where to look for it or what it would look like.
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  #10  
Old Mar 28th, 13, 9:18 AM
Calculated Risk Calculated Risk is offline
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Default Re: How to correctly adjust kickdown cable on TH350

Quote:
Originally Posted by gagek View Post
So im working on my 66 chevelle, It had its original 283 and 2 speed powerglide, column shift. Ive just installed a 350 4bolt main with 850 cfm double pumper carb, along with the th350 that came with the motor. I also converted it to a floor shift. my question is can my original kick down cable from the 283/powerglide setup be adjusted to be compatible with my new motor and trans, I know the th350 has an extra gear but im just wondering what the best way to go is. definitely not a mechanic by trade, and parts and good advice are nearly impossible to find here in Alaska. any thing will help...Thanks for your time
The glide had a kick down arm that attached from the carb down to the trans through the shifter arm, the TH350 uses a cable on the other side of the trans. 2 different setups. You will need to find a cable bracket to bolt to the carb or manifold that fits the th350 cable.
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  #11  
Old Mar 28th, 13, 9:25 AM
Calculated Risk Calculated Risk is offline
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Default Re: How to correctly adjust kickdown cable on TH350

Quote:
Originally Posted by bracketchev1221 View Post
In the above posts, does anyone have a picture of this tab? I'm not sure where to look for it or what it would look like.
It's on the carb end of the cable, when you pull the tab out it lets the cable adjust in length:

http://m80.photobucket.com/albumview...1.jpg.html?o=5



Pull tab out, move throttle to WOT, push tab back in, realease throttle.
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Old Mar 28th, 13, 9:40 AM
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Default Re: How to correctly adjust kickdown cable on TH350

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  #13  
Old Mar 28th, 13, 9:59 AM
bracketchev1221 bracketchev1221 is offline
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Default Re: How to correctly adjust kickdown cable on TH350

Thanks a lot guys, I'll have to look for it later.
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