Classic Mustangs (Tech) Technical discussions about the Mustangs of yester-year.

carb help

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Old Jul 23, 2009 | 03:32 PM
  #1  
cmanf's Avatar
cmanf
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My holley 1450 is pumping gas out of the breather tube on the front side just pumps it right out the tube. Any ideas?
Old Jul 23, 2009 | 04:35 PM
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fakesnakes
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Classic symptom of a stuck float or crap under the needle seat. Pull the bowl and clean it out, inspect it for proper operation, reinstall and adjust. As part of the inspection, make sure the float is intact and not filling with fuel.
Old Jul 23, 2009 | 06:52 PM
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67mustang302
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Yeah, it sounds like a bad float or needle/seat assembly. Do you know what the fuel pressure is? Regulator may have failed also.
Old Jul 24, 2009 | 12:15 AM
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cmanf
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thanks guys ill take a look tomorrow.
The regulator is set a 6-7 lbs I assume since just the primaries is doing that it still works.
Old Jul 24, 2009 | 12:25 AM
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67mustang302
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Yeah, then it's probably crap in the needle/seat or a bad needle/seat or float.
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