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Old 12-21-2003, 10:28 PM   #1
wHATANERD
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Question Edelbrock 600 CFM Performer installation

I just got a Edelbrock 600 CFM model # 1406 in install in my 69. My truck is equiped with a TH400, and cannot figure out how to get the linkage to work with the kickdown switch, If anyone has photos or a suggestion on how this is accomplished it would be greatly appericiated.
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Old 12-22-2003, 12:37 AM   #2
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Can you post pics of what you've got? Knowing exactly what you're facing can help a great deal.
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Old 12-22-2003, 12:39 AM   #3
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Sure, have some posted shortly
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Old 12-22-2003, 12:53 AM   #4
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problems

attached is a photo of what I have to work with, The carb on the truck is a Holley 600, The Throttle linkage is attached above the large hole, on the Edelbrock this hole does not exist, the Edelbrock also does not have the holes to attach the bracket the presses the th400 kickdown switch @ full throttle.
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Old 12-22-2003, 01:43 AM   #5
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I had the same problem. I set the switch on the bench for installation at a later date. That was 3 or 4 years ago.

I've been running without it.
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Old 12-22-2003, 01:54 AM   #6
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email edelbrock about or talk to someone at a speedshop
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Old 12-22-2003, 04:18 AM   #7
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I believe that Edelbrock makes a kit for this.
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Old 12-22-2003, 04:37 AM   #8
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thats what i figured also. thats why i thought you should email them...
http://www.edelbrock.com/automotive/install2.html
try there...
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Old 12-22-2003, 10:38 AM   #9
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I had the same problem. I had to get the kickdown stud (which I thought should come with the carb) and I got the universal bracket, but this one should work.
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Old 12-22-2003, 10:39 AM   #10
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I used this hole and it works fine.
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Old 12-22-2003, 12:35 PM   #11
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I did a couple of FAQ's on this in the other forum. Check these out:

Custom Kickdown for TH400...

...and...

Adapting throttle rod to new carburetor...

This was all for my Edelbrock 1406. Have fun.
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Old 12-22-2003, 12:37 PM   #12
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I don't see how the hole marked with a blue arrow can work for this application, the throttle rod on the truck pulls towards the firewall, for this hole to work the throttle rod would have to pushed toward the radiator to accelerate.
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Old 12-22-2003, 12:48 PM   #13
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Cobalt, Thanks for the links, I will try to get the Mr Gasket adapter, as for the kickdown, it may need to wait, I'm not sure it the solinoid in the trans is working anyways.
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Old 12-22-2003, 01:32 PM   #14
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I’m no expert, but my kickdown cable pulls forward (toward the radiator) to engage the lower gear, which is why it pivots opposite the throttle. Full throttle = kickdown engages.

In this pic the throttle is back, or near full, and the cable should engage somewhere near this point. The green arrows show the motion of the throttle with the motion of the kickdown. The yellow shows the pivot point.
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70 Longbed, 307, Edelbrock Carb 1404, Edelbrock Intake 2101, Dual Roller Timing chain and gears, 214/214 cam, Comp Roller Rockers, dual Flowmasters.
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Old 12-22-2003, 03:00 PM   #15
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Is that little box with the plunger on it and the red/orange wire heading down your TH400 kickdown switch or is it the switch that they used for A/C equipped trucks (don't remember exactly what it did)?
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Old 12-22-2003, 04:27 PM   #16
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Does anyone know? I've got one of these for my TH400 truck, but it's not connected. I'm wondering A) if it truly is a kick-down and B) if so, how it's wired.
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Old 12-22-2003, 04:52 PM   #17
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A/C Idle Compensator! That's what I meant to ask. Is that your idle compensator or your kickdown?
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Old 12-22-2003, 04:56 PM   #18
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I don't think that's the kickdown (No A/C here) The kickdown cable appears to go past that.
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1999 Chevy Tahoe
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Old 12-22-2003, 05:09 PM   #19
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Hmmm... isn't that an A/C compressor I see over in the top-right corner? Also, wHATANERD says, "the Edelbrock also does not have the holes to attach the bracket th[at] presses the th400 kickdown switch @ full throttle." That's why I assumed the switch with the red/orange wire might be the kickdown switch. The only other thing I could imagine it being is the A/C idle compensator.
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Old 12-22-2003, 05:11 PM   #20
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Quote:
Originally posted by shuttermutt
Hmmm... isn't that an A/C compressor I see over in the top-left corner of the picture? Also, wHATANERD says, "the Edelbrock also does not have the holes to attach the bracket th[at] presses the th400 kickdown switch @ full throttle." That's why I assumed the switch with the red/orange wire might be the kickdown switch. The only other thing I could imagine it being is the A/C idle compensator.
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Old 12-22-2003, 10:36 PM   #21
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Kickdown

The switch is the Kickdown for the Turbo 400 Transmission, My truck was a non air conditioned truck, the Compressor is an aftermarket for an under dash unit.
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Old 12-22-2003, 10:39 PM   #22
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Smile almost done

I went to a speed shop today, and bought the Lokar parts that Cobalt mentioned in the links above, I now have the Edelbrock on the truck, and have the trottle connected, I will be working on the kickdown, and cruise control cables in the morning, when doneI'll submit some pictures, Thanks everyone for the help.
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Old 12-23-2003, 12:11 AM   #23
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Quote:
Originally posted by 70ChevyLongbed
I don't think that's the kickdown (No A/C here) The kickdown cable appears to go past that.
Mutt,

I wasn't very clear... by "(No A/C here)" I meant I don't have A/C on my truck and I should have added that I was guessing, cuz my cable looks like that, just without those wires and the box.

I should read what I type :p !!
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70 Longbed, 307, Edelbrock Carb 1404, Edelbrock Intake 2101, Dual Roller Timing chain and gears, 214/214 cam, Comp Roller Rockers, dual Flowmasters.
1999 Chevy Tahoe
2004 Mini Cooper S
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Old 12-23-2003, 12:14 AM   #24
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wHat,

Can't wait to see em!
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Jason
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70 Longbed, 307, Edelbrock Carb 1404, Edelbrock Intake 2101, Dual Roller Timing chain and gears, 214/214 cam, Comp Roller Rockers, dual Flowmasters.
1999 Chevy Tahoe
2004 Mini Cooper S
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Old 12-23-2003, 01:44 AM   #25
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Sweet! That means the thing on the floorboard is a kickdown and not an A/C idle compensator. Looks like I've found another little proejct, eh?
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