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Old 07-20-2006, 06:11 PM
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th350 kickdown cable question

Hi guys, this is probably a simple one for ya...but I can't figure it out for the life of me. I've got a '69 Camaro with a th350 trans & a 350 motor. The kickdown cable isn't attached to the carb, and there's nowhere for me to put it. I'm running a Carter AFB 750 cfm carb. The cable comes up from the passenger side like normal & the housing mounts to the engine on the drivers side (judging by the bracket, I'd ASSUME this is the normal application) but theres nowhere on my throttle linkage to attach it to. So, 3 questions:

1) Do I need a different linkage that will have a mounting point for the kickdown?

2) Can I just fab up something that will connect it? How precise does it have to be? I know it should be pulled at full throttle & released pretty much anywhere else...do I set it to open when the secondaries do? or just in that last bit of accelerator travel?

3) Until I figure this out...is there any harm in not having it attached? Obviously I don't have that extra boost to pass, but other than that will it hurt anything? The car has been stored for several years & I'm just now putting it back out on the road...so I don't want to screw it up by doing something stupid. I'm (hopefully) about 3 hours of garage time away from bringin' her back to life, which means in real world time...probably 3 or 4 weeks. Once I get it out there, I REALLY REALLY don't want to fry a new transmission by being a moron.

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Old 07-20-2006, 09:19 PM
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Re: th350 kickdown cable question

I don't know if this will help, but here is a picture of the kickdown cable on my Carter.
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Old 07-20-2006, 09:42 PM
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th350 kickdown cable

No, it won't hurt a thing to run with the kickdown unhooked, I did it for several years on my streetrod. Not so with a Ford tramsmission however.Dave 39
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Old 07-21-2006, 12:37 AM
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Thank you both! That picture is a big help, I see the part I'm missing now...that gold bracket isn't there in my linkage, but the piece it connects to is...I'll bring the picture with me next time I'm at the parts store & see if they've got a replacement piece. In the meantime, it sounds like I'll be alright without it.
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Old 07-21-2006, 06:41 AM
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cable

It's ok to run it un-hooked...

If i build a TH-350 for a customer that has any kind of hp i usually talk them into letting the cable out of the trans..... The reason is, if you have a stout car and there is a light rain and it kicks-down, like pulling on to a ramp to merge the car gets real loose real fast.... I know a few guys that almost totaled cars because of it....

Just an observation.

keith
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Old 07-21-2006, 10:33 AM
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Your need to buy the flat headed pin that the down shift connects to. Then fab a little bracket to the carb linkage. Having a downshift cable makes the car much nicer to drive on the street but running without doesn't do any damage. However, if it was a TV cable on a 200 or 700r, that would be a different story.
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