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Restoration Advice

220 messages,  Last post on May 31, 2009 at 5:49 PM

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What is this discussion about? Performance Mods, Auto Body, Auto Repair, Classic Cars, Coupe, Convertible, Truck, Sedan, Wagon


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#76 of 220
67 DART by bobbotroncfh1
Sep 17, 2007 (10:10 pm)
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My dart's carb has a dicorce choke. How Do I adjust it?
 
Also She shifts into a higher gear so slowly. I'll be flooring it for a while before I feel the tranny shift.
 
Help.
#77 of 220
Re: 67 DART [bobbotroncfh1] by texases
Sep 18, 2007 (5:10 am)
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Replying to: bobbotroncfh1 (Sep 17, 2007 10:10 pm)

"dicorce choke"
What's that?
#78 of 220
Re: 67 DART [texases] by andre1969
Sep 18, 2007 (5:34 am)
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Replying to: texases (Sep 18, 2007 5:10 am)

"dicorce choke"
What's that?

 
Yeah, I was wondering that, too. I had a '69 Dart with a slant six, and its choke could get a little annoying, especially in cold, damp weather. I just learned to live with it though.
 
My '68 Dart, which has a 318 V-8, has a flap inside the passenger-side exhaust manifold. These things would tend to rust and fail with age. I had to replace the passenger side manifold, and found one in the junkyard. I remember the guys at the junkyard heated the thing up for me, enough to move that flap in the open position. Guess it's better for them to fail open than closed!
#79 of 220
Re: 67 DART [andre1969] by texases
Sep 18, 2007 (5:55 am)
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Replying to: andre1969 (Sep 18, 2007 5:34 am)

Not knowing what the choke problem is that they're having, I guess the first thing to do is get a can of spray cleaner and hose it all down. I don't remember - what is the heat source that causes the choke to open on those?
#80 of 220
Re: 67 DART [texases] by andre1969
Sep 18, 2007 (6:16 am)
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Replying to: texases (Sep 18, 2007 5:55 am)

I don't remember - what is the heat source that causes the choke to open on those?
 
Well on my '68 Dart 318, my understanding was that it was the flap in the exhaust manifold. It would hold some of the heat and pressure back, and cause some spring thingy to heat up and open the choke. In theory...when it was working!
 
More often than not though, I suspect a screwdriver down the throat was what usually held the choke open!
#81 of 220
67 Dart by bobbotroncfh1
Sep 19, 2007 (8:15 pm)
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Andre 1969
 
Yeah that's it. That's the same one. I guess you were the only one to figure out that I meant "Divorce choke". It's a heat sensitive spring that is mounted on either the exhaust or intake manifold. It responds to the temperature of the engine and opens or closes the flap accordingly.
 
SO...How do I adjust it?
 
Anybody know?
#82 of 220
Re: 67 Dart [bobbotroncfh1] by texases
Sep 20, 2007 (5:38 am)
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Replying to: bobbotroncfh1 (Sep 19, 2007 8:15 pm)

I never knew that's what they're called, learn something every day. Do you have a manual (Chilton's, etc.) for it? There's probably an adjustment procedure listed, with clearances between various parts for cold and hot operation. Also, aside from adjustment is every thing clean and free to move?
#83 of 220
67 Dart by bobbotroncfh1
Sep 20, 2007 (12:05 pm)
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Right, that's a good idea. I got a Chilton's manual that covers my 74 Nova. I coverted it to electric choke with the new carb. Should be in there. I've heard that you just bed the rod that connects to the carb but didn't want to go and do that without knowing for sure.
 
thanks man.
#84 of 220
Re: 67 Dart [bobbotroncfh1] by texases
Sep 20, 2007 (12:09 pm)
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Replying to: bobbotroncfh1 (Sep 20, 2007 12:05 pm)

I think you're right about the bending thing - a true high precision device!
#85 of 220
Re: 67 Dart [bobbotroncfh1] by 0patience
Sep 20, 2007 (4:03 pm)
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Replying to: bobbotroncfh1 (Sep 19, 2007 8:15 pm)

On those chokes, you either replaced the bi-metal spring or bent the rod.
 
If the choke isn't opening, then you have to replace the bi-metal spring. Almost cheaper to buy an electric choke kit.

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