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Old 05-16-2003, 06:44 PM
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Post Adjusting Kickdown

I just installed a new Edelbrock 600CFM Performer carb on my 350 Chevy SB w/Edelbrock Performer intake manifold ... I've got a 350TH automatic trans ... and I just put new throttle and kickdown cables on -- but the kickdown isn't working.

I set the cable like this :
Pulling the kickdown out and releasing it, it moves about a half inch in and out ... so I set it to be full-out at WOT.

I take it for a spin ... get into 2nd or 3rd gear and put the pedal to the metal. NO kick down.

What do I do next? Set it to pull at 3/4 WOT?

Thanks.

Alan Horvath
<a href="http://AlanHorvath.com/54chevy/" target="_blank">54 Chevy Pickup</a>

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Old 05-17-2003, 06:54 AM
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It sounds like you adjusted the cable correctly. Try this though. With your engine off, hold the throttle wide open. Adjust the cable so that it is completely extended with the throttle linkage in the wide open position. That should do it. You might also check to see that the kick down linkage housing is fully seated in the transmission case. Be sure to have some slack in the throttle linkage when the carb linkage is in the closed position.
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Old 05-17-2003, 09:14 AM
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Thanks, Frisco

I snugged it up about 3/16 of an inch and she's working great now.

I learned about having some slack in the throttle linkage! I was trying to figure out why my engine was idling at 2000 rpm for 3 very frustrating days -- I had no slack in the throttle cable!
<img src="graemlins/nono.gif" border="0" alt="[nono]" />

Alan

[ May 17, 2003: Message edited by: horvath ]</p>
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Old 05-17-2003, 01:11 PM
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Since it sounds like the problem has been taken care of on this car it may not apply here, but. On many cars WOT is not the same under the hood as from the gas pedal. It is actually better to adjust the cable with a partner inside the vehicle pushing the pedal to the floor. I have tried that doing it by myself, but have problems with legs and arms that are too short.
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Old 05-17-2003, 04:14 PM
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That's a good point adtcart ... they say to set the gas pedal so that, at the floor, you're just short of WOT -- that's probably what was happening with mine.

Alan Horvath
<a href="http://AlanHorvath.com/54chevy/" target="_blank">54 Chevy Pickup</a>
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