Carb isn't spraying

Tiny
JOHN EPLIN
  • MEMBER
  • 1983 CHEVROLET S-10
  • 2.8L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 305,000 MILES
I have a 2se varajet gas is getting to the carb but isn't spraying it or doing anything with it it just spits it out the top of the vent how do I fix this and why could this be happening any help would be grate
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Thursday, August 25th, 2016 AT 5:35 PM

28 Replies

Tiny
SATURNTECH9
  • EXPERT
If it's spiting gas out the top it sounds like you could have a stuck float. Those carbs aren't very reliable with the mileage your probably due to replace it with a rebuilt one
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Thursday, August 25th, 2016 AT 5:40 PM
Tiny
JOHN EPLIN
  • MEMBER
I rebuilt it last year I just need something to drive until winter and I'm putting my truck up for winter and doing a 3.5 swap I pulled the top off and my float is sitting on top of the gas in the chamber and is not stuck
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Thursday, August 25th, 2016 AT 5:45 PM
Tiny
SATURNTECH9
  • EXPERT
The only way I have seen gas shoot out of the top of a carb is the float isn't turning off the gas flow into the bowl and bowl is overflowing. Are you sure the needle and seat are shutting off the gas flow into the carb?
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Thursday, August 25th, 2016 AT 5:48 PM
Tiny
JOHN EPLIN
  • MEMBER
I can check to make sure. This is exactly what happened I had charcoal all inside of my carb so I took the top off and cleaned everything I put it back together and it wouldn't start and gas was coming out of the top the only thing I touched was what I believe is a muttering rod it is 2 rods that stick up and has a metal peace the connects the 2 at the top I turned it a little other than that everything went in how it came out
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Thursday, August 25th, 2016 AT 5:58 PM
Tiny
SATURNTECH9
  • EXPERT
I saw your question with the charcoal some could be keeping the needle and seat from sealing.
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Thursday, August 25th, 2016 AT 6:13 PM
Tiny
JOHN EPLIN
  • MEMBER
Maybe but I completely cleaned it out I went as fare as using my air compressor to blow out what I couldn't get
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Thursday, August 25th, 2016 AT 6:26 PM
Tiny
JOHN EPLIN
  • MEMBER
And if that is the case would that make it donut doesn't start even if I pore gas into the barrel this might be a stupid question but I'm kinda lurking as I go
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Thursday, August 25th, 2016 AT 6:27 PM
Tiny
SATURNTECH9
  • EXPERT
It could be totally flooded with gas shooting out of the top of the carb. It's gotta be going down the intake into the engine all that fuel. Never ever use gasoline to put in the intake like that. Very dangerous I usually use a little carb spray to prime it to see if it runs off a prime. If it ran before this charcoal event then I would say the charcoal went somewhere it shouldn't have and caused a problem. It sounds like the fuel isn't shutting off going into the carb. You can blow into the fuel nipple going into the carb and operate the flow to see how the needle and seat are working.
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Thursday, August 25th, 2016 AT 6:53 PM
Tiny
JOHN EPLIN
  • MEMBER
It would start but it would die after like 2 seconds when the charcoal was in it and it prolly is flooding I'll look at it in the morning is it possible to put it in upside down cuz I didn't really pay attention when I was putting it back together kinda on auto pilot but thank u I appreciate all the help man
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Thursday, August 25th, 2016 AT 7:13 PM
Tiny
SATURNTECH9
  • EXPERT
If your taking about the float some them you can and some you can't.
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Thursday, August 25th, 2016 AT 9:03 PM
Tiny
JOHN EPLIN
  • MEMBER
OK thank u again that pretty much sums everything up for now but I'm sure I'll have more questions eventually
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Friday, August 26th, 2016 AT 6:33 AM
Tiny
SATURNTECH9
  • EXPERT
Alright keep me posted.
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Friday, August 26th, 2016 AT 7:11 AM
Tiny
JOHN EPLIN
  • MEMBER
This is what the bottom of my plunger looks like and ware it touches I think I lost something someware
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Friday, August 26th, 2016 AT 7:40 AM
Tiny
SATURNTECH9
  • EXPERT
Where's the part that floats and the needle that goes into the seat to shut the fuel off?Also in the area the needle goes in is there a rubber seal?
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Friday, August 26th, 2016 AT 12:38 PM
Tiny
JOHN EPLIN
  • MEMBER
Uhmmmm I got it kinda I couldn't find the needle but the part that floats was at the end of the arm I showed u I took a needle and a seat out of another carb I had laying around and used that but I did not c any rubber seal at all in there of them
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Friday, August 26th, 2016 AT 5:01 PM
Tiny
SATURNTECH9
  • EXPERT
Is it the same carb your taking parts from?
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Friday, August 26th, 2016 AT 8:38 PM
Tiny
JOHN EPLIN
  • MEMBER
No but the seat is almost identical and it runs pretty good I just have to tune it
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Saturday, August 27th, 2016 AT 6:39 AM
Tiny
SATURNTECH9
  • EXPERT
Oh so it's running now?You left that part out lol
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Saturday, August 27th, 2016 AT 8:24 AM
Tiny
SATURNTECH9
  • EXPERT
Does the needle have a rubber tip on it?
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Saturday, August 27th, 2016 AT 8:25 AM
Tiny
JOHN EPLIN
  • MEMBER
No no rubber anything it runs like a beast now I think it runs better than when it only have 200000 miles but like I said its just temporary I'm doing a 3.4 swap been reading a lot about it but it seams like nobody keeps the carb is there a reason
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Saturday, August 27th, 2016 AT 9:42 AM

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