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1957 392 hemi gas issue
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Mark and becky
Posted 2020-04-04 5:32 PM (#596442)
Subject: 1957 392 hemi gas issue


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I started up the chrysler yesterday and the glass bowls on the carbs always seem to be low and gas just trickles in. I have a video but not sure I can post it
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56D500boy
Posted 2020-04-04 6:37 PM (#596444 - in reply to #596442)
Subject: RE: 1957 392 hemi gas issue



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I am sure that there are others who will provide better answers but it could just be the normal operation that you are seeing at idle. The float in the float blow is pushing on the needle valve which controls flow to the carburetor. At idle, the flow is the lowest so the float is sitting high in the bowl and putting pressure on the needle valve, restricting flow to and into the carburetor.

If that still happens when you open the the throttle, then there is an issue (fuel pump, line blockages, carburetor problems)

Here is a schematic diagram that helps my possible explanation:



Edited by 56D500boy 2020-04-04 6:41 PM
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LD3 Greg
Posted 2020-04-04 11:35 PM (#596449 - in reply to #596442)
Subject: RE: 1957 392 hemi gas issue


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Mark and becky - 2020-04-04 5:32 PM

I started up the chrysler yesterday and the glass bowls on the carbs always seem to be low and gas just trickles in. I have a video but not sure I can post it


It might seem odd but that is normal. Why do you have more than one bowl?

Greg
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58coupe
Posted 2020-04-05 1:08 PM (#596463 - in reply to #596442)
Subject: Re: 1957 392 hemi gas issue



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Mark is talking about the fuel filter with the glass bowl that is mounted on the carb. i think that is normal not to be completely full. If your car runs fine even at high speed, don't worry about it.
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StillOutThere
Posted 2020-04-05 2:34 PM (#596469 - in reply to #596442)
Subject: Re: 1957 392 hemi gas issue



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They are NORMAL partially full, showing a trickle.
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56D500boy
Posted 2020-04-05 3:35 PM (#596471 - in reply to #596469)
Subject: Re: 1957 392 hemi gas issue



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StillOutThere - 2020-04-05 11:34 AM
They are NORMAL partially full, showing a trickle.


Wayne: What about when you open the hood and reach in a move the throttle mechanism by hand? Does the flow increase enough to fill the bowl (more)?



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