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Old Jul 9, 2002 | 08:59 PM
  #1  
hippiechick64's Avatar
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From: hayward usa
Throttle Kicker

Hope this is the right forum this time! Anyway, I need help with my 1978 Ford E350. The carb (stock Motorcraft) needs a throttle kicker otherwise known as an idle stop solenoid, to pass emissions and I have no idea where to put the thing. I am pretty sure it needs more parts but don't know what those are either! I have searched the internet for a good pic or diagram of this part but can't find one. I did manage to find the kicker itself but can't be certain it is the right one since I can't find a pic of one. Anyway, any help is greatly appreciated and also I am willing to pay someone in the San Francisco area to fix this for me! Thanks,
hippiechick64
 
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Old Jul 10, 2002 | 07:54 AM
  #2  
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Throttle Kicker

The idle stop solenoid holds the throttle blades open a little so the engine will idle. When you shut the engine down the solenoid relaxes and allows the throttle blades to close completely. The idea was to prevent run-on or dieseling after shutdown.

Find the throttle linkage from the gas pedal. You will probably have to remove the entire air cleaner to see it. Once you can see the linkage there should be a round thing with a piston under where the carb butterfly lever is at rest.

Hope this helps.

Tom.
 
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Old Jul 10, 2002 | 12:10 PM
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Throttle Kicker

What engine do you have? On the 300 with the stock single barrel, the solenoid mounts to the front of the carb via a bracket. I would assume 2 barrels are similar. I had the search for one of these brackets at a junk yard, I ended up buying a whole junker carb just to get all the brackets and goodies off. Some setups have a dashpot connected inline with the solenoid too. Adjust the "regular idle" to be dead closed (or as closed as possible) and use the solenoid to adjust the normal curb idle. You will still have to depress the gas pedal to help actuate it when you turn the ignition to on. With a careful foot you can feel it engage.

 
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Old Jul 10, 2002 | 02:07 PM
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Post Throttle Kicker

[updated:LAST EDITED ON 10-Jul-02 AT 03:11 PM (EST)]hippiechick64,

I have some pictures of a Motorcraft 2150 2V carb with a solenoid throttle positioner on my web site starting at this URL:

[a href="http://home.earthlink.net/~bubbaf250/2150carb/carb02.html"]Bubba's Carb Page[/a]

That should give you some idea of what you're looking for.

The "kicker" part (in Ford terminology) is a vacuum motor that sits on the end of the solenoid, instead of a dashpot.

You can get throttle position solenoids with either a kicker or a dashpot, so you need to either order the part by application (and hope the catalog/computer is correct about which one you really need), or find out whether you actually need the kicker or the dashpot (maybe from the smog technician or referee).

Good luck.

 
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Old Jul 11, 2002 | 01:01 AM
  #5  
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From: hayward usa
Throttle Kicker

RE: Bubba's page. Yep, I found your page before posting in this forum and it was the most helpful of all the pages I found on the subject. It showed up in a search I ran on Google. Anyway, the pic helped a ton! Great page! I ordered the parts, a kicker, a solenoid and a bracket, which was the part that we were afraid we wouldn't be able to find. Also, I found the whole carb, rebuilt with CA emissions stuff on it for $225 but we hope we don't have to go there! Anyway, posting on this was the smartest thing I did, got tons of info and am hopefully on the way to getting this fixed. The truck flunked emissions by just a couple of tenths on 2 of the tests, passed everything else, so it should pass with the new stuff. I am still looking for someone to put this on, will pay cash!!! Thanks to you and everyone for all the help!
Hippiechick64
 
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Old Jul 11, 2002 | 06:29 AM
  #6  
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tellico racing
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Throttle Kicker

I am sure glad Michigan doesnt do emission testing,sounds like you people are always fighting to get your trucks legal to run.Good luck on your next **** emissions test;-)
 
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Old Jul 11, 2002 | 02:01 PM
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Throttle Kicker

 
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