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| Holley Carb: '66 225 cu in dart 270 https://www.slantsix.org/forum/viewtopic.php?t=14868 |
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| Author: | juice [ Mon Oct 31, 2005 7:24 am ] |
| Post subject: | Holley Carb: '66 225 cu in dart 270 |
im pretty new to this i have a single barrel stock holley carb in the dart and im having problems. when i try to start the car, gasoline pours from the bowl vent. at the start of the trouble the car started and ran for a few seconds and as soon as i gave it a little gas it died, since then the above problem has occured everytime i try to start. i have the original owners manual but like i said im quite new to this and could use a few pointers. any info is greatly appreciated |
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| Author: | dakight [ Mon Oct 31, 2005 7:53 am ] |
| Post subject: | |
Some of the others may have better insight into it than I do, but in my experience I have seen 2 things that will cause what you are describing. You could have a stuck needle valve, possibly caused by some debris in the gasoline or a sunken float. Many of the early carbs had brass floats and if they weren't carefully aligned they will rub against the sides of the carburetor bowl, eventually wearing a hole which lets fuel flood in and sink the float. In either case a carburetor rebuild and possibly a new float are in order. |
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| Author: | juice [ Mon Oct 31, 2005 8:06 am ] |
| Post subject: | float |
thank you much!, ill look into it |
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| Author: | SlantSixDan [ Mon Oct 31, 2005 8:09 am ] |
| Post subject: | |
You've got one or more of the following carburetor float problems: •Float soaked with gasoline, therefore too heavy and unable to float: Inlet valve stays open all the time, carburetor overfills. •Float physically stuck in the down position: Inlet valve stays open all the time, carburetor overfills. •Float spring broken or missing: Inlet valve stays open all the time, carburetor overfills. •Inlet needle and/or seat damaged and/or deteriorated: Doesn't close properly, carburetor overfills. So, either a thorough rebuild of this carburetor or a carefully-selected replacement unit (parts store "remanufactured" carburetors are seldom satisfactory) is in order. |
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| Author: | SlantSixDan [ Mon Oct 31, 2005 8:10 am ] |
| Post subject: | |
Quote: Many of the early carbs had brass floats
The Holley 1920 has a Nitrophyll (synthetic, "plastic") float—never brass.
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| Author: | juice [ Mon Oct 31, 2005 8:42 am ] |
| Post subject: | |
awesome guys thank you very much |
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