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  • 1965 - 1973 Classic Mustangs -General/Talk-
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Gas shooting out of the vent stem

  • Thread starter Thread starter palerider94
  • Start date Start date Oct 14, 2007
P

palerider94

Member
Feb 21, 2006
573
1
19
Oct 14, 2007
#1
  • Oct 14, 2007
  • #1
Went to start car last night and gas was shooting out of the vent stem. Good 5 to 6 inches. Thought is was a little weird. Had float stick before but not that much gas blow out. In any case thought it was float sticking and pulled of carb and bowls and clean as a whistle working fine. No debris - no gumming etc.

Put back together and same results. Could an overzealous fuel pump going bad cause this problem? Any other ideas.

70 351 Cleveland with I think a 600 Holley.n New model Holley w/o site glass.
 

68_stanger

New Member
Nov 21, 2003
131
0
0
43
Petoskey, MI
Oct 14, 2007
#2
  • Oct 14, 2007
  • #2
hmm sound like needle and seat aren't sealing off allowing the bowls to overfill?? I dunno
 

JDS68Stang

New Member
Sep 3, 2007
153
1
0
New York State
Oct 14, 2007
#3
  • Oct 14, 2007
  • #3
The float itself could be bad and not shutting off the flow to the bowl.
Check that out, take it out, is it extra heavy and full of gas?
 
D

D.Hearne

New Member
Sep 29, 2000
11,730
6
0
south louisiana
Oct 14, 2007
#4
  • Oct 14, 2007
  • #4
What fuel pump are you running? Did you remove the needle/seat from the bowl and inspect it? If it was excess fuel pressure, it would sink both floats more'n likely.
 
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