Installed Lokar kickdown. 350 tranny, Chevy 250x6 with 1 bbl. carb. No slack in kick when at full throttle.(no sick 6 jokes here boys&girls).Any suggestions? It will downshift manually, but not otherwise.
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Primer is my favorite color. D.S.R.A
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RE: No kick in my kickdown
by erbssr
Posted: 09/17/2002 17:58 EST
Maybe you did not get the cable hooked onto the little wire deal in the tranny & it fell off.
I don't know about the Lokar cable since I run a stock replacement cable
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RE: No kick in my kickdown
by chopped
Posted: 09/17/2002 18:51 EST
I should have added, I do have tension on cable, that is if I pull it out it will return so Im thinking it has to be hooked. They do downshift by the cable being pulled OUT dont they?
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Primer is my favorite color. D.S.R.A
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RE: No kick in my kickdown
by 1925-Model-T
Posted: 09/18/2002 21:08 EST
I'm pretty sure that you are supposed to pull the cable all the way out, open the throttle all the way and then tighten everything down. You want full travel of the kickdown cable to correspond to full travel of the throttle. Also if you have the old style bracket, it can rotate towards the throttle arm and cause your kickdown not to work. You can modify yours to fix it. The new style bracket fixes this. If you need help, let me know.
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So the throttle detent cable controls full throttle kickdowns and the vacumn modulator controls upshift points ??? I'm a little fuzzy about this [ wife says " Fuzzy should be my knickname ] . Wink
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RE: No kick in my kickdown
by Crosley
Posted: 09/24/2002 08:03 EST
""So the throttle detent cable controls full throttle kickdowns and the vacumn modulator controls upshift points ??? I'm a little fuzzy about this [ wife says " Fuzzy should be my knickname ] . Wink""
============ nope.......... the cable works with the modulator to control upshifts and down shifts. When vacuum falls off (push down the gas pedal) the main line pressure inside the tranny goes up and later shifts happen.
When the detent cable is pulled with MORE throttle the pressure goes up MORE inside the tranny and the upshifts are even later.
If you have the T-350 cable set for FULL pull at WOT you should have some slack in the cable connection when the throttle is closed. This is "normal". You can also adjust the cable to "less than full pull" at WOT.
I have run T-350's on a tranny dyno at 4k RPM with about 3 inches of vacuum with NO cable pull. I can then pull the cable and the line pressure of the tranny will increase 10-20%. GM engineered this for better "holding power" when the engine is really putting the horse power to the tranny.
Most people will tell you the T-350 cable hook up is un-needed, which IMHO is incorrect thinking especially in a performance vehicle.
WOT = wide open throttle, if you are fuzzy about that. ((-;
Would no kick down hooked up cause a T400 to ease in to high gear under load? With the 454 I figured I didn't need it.
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Mike J
Unchartered DSRA Member
If it ain't broke, fix it anyway...
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RE: T-400 smooooooth shifts?
by Crosley
Posted: 09/25/2002 08:03 EST
""Would no kick down hooked up cause a T400 to ease in to high gear under load? With the 454 I figured I didn't need it.""
============ Nope. old tranny? fresh? Found at a yard sale? ((-;
