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Old 10-12-2010, 09:12 PM   #1
Donald-joe
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Default carburator problem

I have a zenith carburator 13922 on a 29 model A Ford town sedan that is running too rich and the engine is heating up. How do I adjust the mixture? It doesn't adjust with the choke rod like the originals. Any advice would be appreciated.


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Donald Thompson
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Old 10-12-2010, 10:12 PM   #2
bogdonj
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Default Re: carburator problem

Might have to rebuild your carb?
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Old 10-12-2010, 10:26 PM   #3
steve s
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Default Re: carburator problem

Too rich isn't usually associated with overheating.

The richness adjustment is that little T-valve sticking out the bottom front. Try turning it all the way in, then backing it out 1/2 a turn; that works pretty well on my '29 town sedan. You may need to give it a bit more choke on cold starts, since you've lost that warmup enrichment.

About the overheating, what else did you change besides the carb?

Steve
Attached Files
File Type: pdf New Zenith carb instructions.pdf (885.3 KB, 57 views)

Last edited by steve s; 10-12-2010 at 10:34 PM.
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Old 10-13-2010, 07:53 AM   #4
Jack '29 Sport Coupe
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Default Re: carburator problem

You might find some answers from the troubleshooting chart
at www.modela.org It's in PDF format and is an excellent reference
guide which you can copy.

Jack
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Old 11-20-2010, 10:23 PM   #5
gtrob2003
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Default Re: carburator problem

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Quote:
Originally Posted by Donald-joe View Post
I have a zenith carburator 13922 on a 29 model A Ford town sedan that is running too rich and the engine is heating up. How do I adjust the mixture? It doesn't adjust with the choke rod like the originals. Any advice would be appreciated.


Thanks,
Donald Thompson

Donald, did you get your's straightened out? I'm dealing with the same currently. Thanks!
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