LPG Fuel Issues At Vaporizer

sward0318

New User
I am back I do not understand why this fixes my problems. My 3 super will only idle but if I loosen the line coming from the filter just a little at where it enters the vaporizer and you see some gas escaping I have full power. As soon as I tighten it down it will only idle. Loosen again and runs great until I tighten it back with no leak there. Like too much pressure trying to enter the vaporizer. Vaporizer is not freezing up neither. You guys are great on here I thank everyone in advance.
 
Just typing my thoughts. There is a spring loaded needle and seat in the vaporizer and it's going to close once the line is pressurized (your fuel line is tight). Now what causes that needle and seat to open and allow a flow of fuel? Vacuum from the intake manifold that pulls on a diaphragm which allows fuel to pass from that high pressure environment. I would suspect a problem with the spring and diaphragm that controls the needle and seat, or a problem with the vacuum line from the intake manifold and the diaphragm that such vacuum acts upon. Should be instructions in an IT manual as to how to bench test that vaporizer.
 
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10A19724 kit part number is 10R201
 
You can get MANY LP parts from Carburetor and Turbo in Shakopee Minn. Talk to Phil --great source of LP info as well as parts. 952-445-0010 and 952-445-3910
 
Thank you Cowpuncher I have spoken with him and he has a complete replacement kit made by impco at a good price. I want to stay original if I can. Shafer Shop is trying to round me up what I need. I will convert to impco if I have to. I kinda put this on back burner my wife has been having mini strokes and she is my main focus that is why I have not replied back to this thread. Everyone on here is great and I appreciate the help given!!
 
Thank you Cowpuncher I have spoken with him and he has a complete replacement kit made by impco at a good price. I want to stay original if I can. Shafer Shop is trying to round me up what I need. I will convert to impco if I have to. I kinda put this on back burner my wife has been having mini strokes and she is my main focus that is why I have not replied back to this thread. Everyone on here is great and I appreciate the help given!!
 

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