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Author
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Topic: Automat choke
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seikemo Journeyman Posts: 29 From: Norway Registered: Jul 2005
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posted 05-01-2006 03:44 PM
Hi,I have some question about my automat choke. When I bought the car it was disconnected, but I would like it to work properly. Please look at the attached picture... http://www.bildeinfo.com/Termostat.htm What is the hose connected to the termostat house? The green arrow. This is not a electrical choke, because it don't have connection to 12V. And what is the device with the red arrow? Thanks in advance. Steinar
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69 Sportsroof Gearhead Posts: 2814 From: Valley, Alabama, USA Registered: Mar 2002
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posted 05-01-2006 11:27 PM
Can you give us a little more info about the car? What year, what size engine? Anything along those lines will help.
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seikemo Journeyman Posts: 29 From: Norway Registered: Jul 2005
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posted 05-02-2006 10:37 AM
...I'm sorry.... It's a 73 Mach 1 - 351 4V engine and it's a holley carburator with the number List 1920-15. Bye the way does anybody know what kind of carb this is? I can't find this number anyplace at the Holley web site.
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69 Sportsroof Gearhead Posts: 2814 From: Valley, Alabama, USA Registered: Mar 2002
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posted 05-02-2006 11:24 AM
That looks an awful lot like a 2V carb to me. Sorry, but I have no idea about that carb other than it looks like it may be an Autolite and not a Holley.
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seikemo Journeyman Posts: 29 From: Norway Registered: Jul 2005
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posted 05-02-2006 03:51 PM
..well..it's a Holley and it's a 2V. But what about the other device with the red arrow ! Is it not common in these cars...? I appreciate all suggestions...( I hope you will excuse my bad english..- ) [This message has been edited by seikemo (edited 05-02-2006).]
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Blacksmith Gearhead Posts: 604 From: Front Royal, Va., USA Registered: Feb 2006
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posted 05-03-2006 07:37 AM
quote: Originally posted by seikemo: [B But what about the other device with the red arrow ! Is it not common in these cars...? I appreciate all suggestions... [This message has been edited by seikemo (edited 05-02-2006).][/B]
Possibly some sort of anti-smog device? Definately NOT like anything I've ever seen on any Mustang engines.
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69 Sportsroof Gearhead Posts: 2814 From: Valley, Alabama, USA Registered: Mar 2002
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posted 05-03-2006 11:52 AM
It looks like it has a part number on it. You can try a search for that number on google.
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seikemo Journeyman Posts: 29 From: Norway Registered: Jul 2005
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posted 05-07-2006 03:13 PM
The part number is D2ZE-12A111-AA
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69 Sportsroof Gearhead Posts: 2814 From: Valley, Alabama, USA Registered: Mar 2002
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posted 05-07-2006 04:14 PM
quote: Originally posted by seikemo: The part number is D2ZE-12A111-AA
Here's what I found on a DeTomaso site with google. This sounds like a ported vacuum switch. Pretty common on Ford engines of the time. The bottom end of it is immersed in the upper water passage in the manifold. What it's supposed to do is route distributor vacuum from the carb most of the time, but if the temperature of the engine (switch, actually) rises too high, it routes the vacuum from the manifold to the distributor, giving a bit more spark advance, thus speeding up the engine and water pump, thus cooling it down again. This is supposed to happen only in really hot weather idling for a long time, but I don't know how well it works in practice.
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seikemo Journeyman Posts: 29 From: Norway Registered: Jul 2005
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posted 05-07-2006 04:41 PM
yes, I found this too...says it is pretty common on Ford engines of the time...but nobody have ever seen it...! Than I probably just can disconnect it....it's not that hot in Norway...  bye the way, the carburator have the list number 1929..
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