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Old 11-06-2013, 10:49 AM   #1 (permalink)
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Default Blasted accelerator return spring location.

Folks,

Finally popped in my Autolite 4100 with original intake etc.
Now, where to put the blasted return spring .... is this ok

Have a look and let me know ....
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Old 11-06-2013, 10:55 AM   #2 (permalink)
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No, that is completely wrong.

You need to get this bracket, and attach it to the left-rear carb flange bolt (click the image)-



Here's how it mounts-
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Last edited by 22GT; 11-06-2013 at 11:01 AM.
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Old 11-06-2013, 11:01 AM   #3 (permalink)
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I can't see what it is hooked to on the back side.

I use one of these. You can bolt it to any spare intake bolt hole back there somewhere or I just bolt mine to an intake bolt and re-torque it.




Another thing that is good to do for basic safety is to run a dual return spring. The drag strip requires it. In the event your one spring lets go your pedal hopefully won't go to the floor.
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Old 11-06-2013, 11:04 AM   #4 (permalink)
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Will it work ? Is it OK ? You can make a lot of things work..but are they correct. The bracket 22GT poinetd out is correct and your best bet. I would also use the larger spring that has the smaller one inside of it. Sorry don't have a pic but they're available in the HELP section at most parts stores.
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Old 11-06-2013, 11:15 AM   #5 (permalink)
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figured ... ok .. I will get to the fab table and get something to work for my application .. stay tuned .

thahnks
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Old 11-06-2013, 02:45 PM   #6 (permalink)
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Quote:
Originally Posted by Ralph68Coupe View Post
figured ... ok .. I will get to the fab table and get something to work for my application .. stay tuned .

thahnks
Ralph
Done .. have a look ... much better I agree !
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Old 11-06-2013, 03:02 PM   #7 (permalink)
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One thing- The dual spring is pretty important with the 69-73 cable throttle. On the 64-68 pushrod throttle, it's no big deal. My original spring failed years ago, and I just pulled up on the pedal with my toe, and of course it went right down to idle. This won't work with a cable throttle, of course.
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Old 11-06-2013, 05:06 PM   #8 (permalink)
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I use this setup for both safety/backup and efficiency with two springs pulling in both directions on the throttle axle, one on top and one on the bottom.
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Old 11-07-2013, 07:43 AM   #9 (permalink)
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Quote:
Originally Posted by alverman View Post
I use this setup for both safety/backup and efficiency with two springs pulling in both directions on the throttle axle, one on top and one on the bottom.
Can someone tell me the lower hole on the lever what's it's for?? I mean there is hole there for a reason no?
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Old 11-07-2013, 08:52 AM   #10 (permalink)
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That lower hole is one location that can be used for your return springs. You should not have your spring just hooked onto the elbow of your throttle rod like that. It is too easy for that to fail.

The spring/springs should be connected on the carb throttle pivot on one end and a fixed point like your bracket on the other end.

Sample photos are just an examples but show the basic idea;


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Old 11-07-2013, 09:22 AM   #11 (permalink)
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Originally Posted by barnett468 View Post
Hey, remove your throttle rod.

open carb fully by hand.

try to install rod.

if it will not install shorten rod until it does so your throttle opens all the way.
.
I did that already .. adjusted it .. but I forgot about the kick down cable ... i have to adjust that sucker also .... it's opening too soon now as is .
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Old 11-07-2013, 11:22 AM   #12 (permalink)
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[QUOTE=macstang;4883450]That lower hole is one location that can be used for your return springs. You should not have your spring just hooked onto the elbow of your throttle rod like that. It is too easy for that to fail.

Not discussing the quality of the setup, but this is an original setup as per Ford manual.

As far as I know the lower hole is originally intended for a non-mustang throttle linkage.
I remember a linkage in the lower hole used in a Fairlane in a distant past ...
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Old 11-07-2013, 11:24 AM   #13 (permalink)
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[quote=alverman;4884105]
Quote:
Originally Posted by macstang View Post
You should not have your spring just hooked onto the elbow of your throttle rod like that. It is too easy for that to fail.

Not discussing the quality of the setup, but this is an original setup as per Ford manual.
+1. Ford had it hooked to the throttle rod elbow originally.
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Old 11-07-2013, 11:24 AM   #14 (permalink)
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[quote=alverman;4884105]
Quote:
Originally Posted by macstang View Post
That lower hole is one location that can be used for your return springs. You should not have your spring just hooked onto the elbow of your throttle rod like that. It is too easy for that to fail.

Not discussing the quality of the setup, but this is an original setup as per Ford manual.

As far as I know the lower hole is originally intended for a non-mustang throttle linkage.
I remember a linkage in the lower hole used in a Fairlane in a distant past ...
Makes sense what you are saying cause my carb is from a '66 Galaxie
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Old 11-07-2013, 03:53 PM   #15 (permalink)
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Ah. I thought you were asking about the small hole on the tab at the lowest part of the throttle pivot plate.

Apparently, there were or are throttle linkages that push instead of pull so the carb makers seem to make the pivot plates for both types. Every carb plate I can remember ever seeing has both sets of holes on it. It also may be needed in some dual carb linkage set ups since the carbs are sometimes turned sideways but I haven't looked at those.

I never noticed before that Ford did hook the spring in the throttle lever dog leg. It must be adequate or they would not have done it that way. That may be why they bent the dog leg in the throttle rod to begin with. I have wondered why they did that.

I still don't like it though. I have had my throttle rod come off before.
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