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Re: 1951 Packard 300 idle problem
#11
Webmaster
Webmaster

BigKev
See User information
Also verify that the accelerator pump isn't shot. If you hold open the choke plate and work the throttle you should be able to see it squirt gas into the carb. If your accelerator pump is probably shot.

At a minimum, I try to clean the carb. Really unless you know the last time it was rebuilt, put a fresh rebuild kit on it.

Posted on: 2023/10/17 17:34
-BigKev


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Re: 1951 Packard 300 idle problem
#12
Home away from home
Home away from home

Pgh Ultramatic
See User information
Quote:

HAR wrote:
Where is the ceramic fuel element located?


Either right behind the carb fuel inlet or directly in front of the carb in a glass bowl. They don't show when they are clogged... you just have to backflush them.

If you don't have one, perhaps screens in the carb are clogged.

Posted on: 2023/10/17 19:01
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Email (Parts/service inquiries only, please. Post all questions on the forum.)
service@ultramatic.info
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Re: 1951 Packard 300 idle problem
#13
Just popping in
Just popping in

HAR
See User information
Jerome,
I would like to thank all those on this site who helped me, and particularly you.
I now have my 1951 300 running and idling, although a little rough. After replacing points (set at .016) and plugs (set at.32;I know that is above spec), I decided to do as you said. I removed the carb and blew it out with carb cleaner. Replaced carb and it started to idle, but I noticed that only a small amount of gas was coming from the second barrel. Decided to remove the idle mixture screw and again blow it out with carb cleaner. Now the two barrels emit gas more or less equally and the car idles. I can only assume that I had several problems, but primarily old gas varnish from the filter had slightly stopped up the inlet. Thanks for your help!

Posted on: 2023/11/14 12:01
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« 1 (2)





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