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SoCalPSD

  • Karma: +4/-0
Carb gurus
« on: June 20, 2013, 09:05:15 PM »
So funny story. I tear down my carb, soak it for a day then clean out every little nook and cranny with carb cleaner and an air compressor. I adjusted everything on the bench and Put said carb back together using a rebuilt kit I purchased from J&M speed out here in riverside this morning and now no matter what I do I have a water fountain out of the secondary overflow. Pulled the needle and seat out found nothing inside causing a bad seal. Used a small screw driver to make sure my float was well...floating and then cleaned out the needle and seat with some air and carb cleaner and reassembled. Still have a fountain. So what am I missing guys?
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In my best "grandad" voice with a cigarette hanging out of my mouth....  "if a day goes by and you learn nothing, I hope like hell you got a lot of sleep".... :thumbup:

carlitos

  • Karma: +1/-0
Re: Carb gurus
« Reply #1 on: June 20, 2013, 09:18:49 PM »
What kind of carb is it?
  • Boat #1: 86 bahner
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mobboss

  • Karma: +15/-0
Re: Carb gurus
« Reply #2 on: June 20, 2013, 09:20:31 PM »
id start with seeing if the float was full of fuel. not enough to make it sink , but enough to keep the needle from seating!
  • Boat #1: boat less
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lbhsbz

  • Karma: +29/-1
Re: Carb gurus
« Reply #3 on: June 20, 2013, 09:42:54 PM »
Holley I'm assuming...pull the bowl, blow through the inlet with your mouth and raise the float with you finger.  Should pop an eyeball halfway out when the needle valve closes if you're blowing hard enough.

Call me if you need help, I'll be up for another few hours.
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Rpmsleek

  • Karma: +0/-0
Re: Carb gurus
« Reply #4 on: June 20, 2013, 10:24:35 PM »
Float is stuck. Tap bowl with a sledge hammer. Or a small mallet. Lol
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Chad krieger

  • Karma: +7/-0
Re: Carb gurus
« Reply #5 on: June 20, 2013, 10:47:00 PM »
You will never guess I had the same problem found out the base gasket is the wrong one. If it a holly carb. Picture to follow.
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Chad krieger

  • Karma: +7/-0
Re: Carb gurus
« Reply #6 on: June 20, 2013, 10:49:28 PM »
Pm me your number and ill send u pic.
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SoCalPSD

  • Karma: +4/-0
Re: Carb gurus
« Reply #7 on: June 21, 2013, 06:11:38 AM »
What kind of carb is it?

Holley 750 dp

id start with seeing if the float was full of fuel. not enough to make it sink , but enough to keep the needle from seating!

Checked that and its fine

Float is stuck. Tap bowl with a sledge hammer. Or a small mallet. Lol

Wasn't sticking
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In my best "grandad" voice with a cigarette hanging out of my mouth....  "if a day goes by and you learn nothing, I hope like hell you got a lot of sleep".... :thumbup:

Chad krieger

  • Karma: +7/-0
Re: Carb gurus
« Reply #8 on: June 21, 2013, 10:45:20 AM »
It's the gasket between the carb main body and the plate under the main body u have a hole where the power valve plate goes its blocked by the gasket pm me your number and ill show u which hole it is also what kind of fuel pump u running.
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SoCalPSD

  • Karma: +4/-0
Re: Carb gurus
« Reply #9 on: June 21, 2013, 10:59:02 AM »
It's the gasket between the carb main body and the plate under the main body u have a hole where the power valve plate goes its blocked by the gasket pm me your number and ill show u which hole it is also what kind of fuel pump u running.

I didn't change that gasket though, and I'm running your standard napa mechanical pump
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In my best "grandad" voice with a cigarette hanging out of my mouth....  "if a day goes by and you learn nothing, I hope like hell you got a lot of sleep".... :thumbup:

Chad krieger

  • Karma: +7/-0
Re: Carb gurus
« Reply #10 on: June 21, 2013, 11:01:37 AM »
Then what I did after cleaning I put a fuel pressure regulator on and set fuel pressure down to 6psi. What is the pressure u are running now.
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Chad krieger

  • Karma: +7/-0
Re: Carb gurus
« Reply #11 on: June 21, 2013, 11:09:02 AM »
So when u took the carb apart u didn't take the main body off the plate and clean all the holes out also when u do this it rips the gasket apart so u half to put a new one in just trying to help u get back on the water bro.
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Chad krieger

  • Karma: +7/-0
Re: Carb gurus
« Reply #12 on: June 21, 2013, 11:11:35 AM »
Pm sent
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1milekyle

  • Karma: +2/-0
Re: Carb gurus
« Reply #13 on: June 21, 2013, 11:35:21 AM »
Had an almost identical problem last week on my pops boat, but it was coming up the primary vent tube. Found a bad o-ring/poor seal on the float needle valve. Replaced the o-ring even though it looked ok and took care of the problem.

Has to be something simple and overlooked if it worked fine before tearing it apart... :thumbup:
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1974 Tahiti


RockyCapone

  • Karma: +0/-0
Re: Carb gurus
« Reply #14 on: June 21, 2013, 12:28:33 PM »
Float is stuck. Tap bowl with a sledge hammer. Or a small mallet. Lol
Thanks for the laugh, almost spit my coffee on the monitor.  :thumbup:
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1978 Southwind Formula 1 T body
454 Berkley
IF I GET BORED AND HAVE NOTHING TO DO I'M CALLING GTJETS AND ASKING HIM IF I SHOULD RUN A T-STAT IN MY JETBOAT--THAT SHOULD BURN OFF 8 HOURS EASY
....it would have been cheaper to spend our money on cocaine and hookers

Rpmsleek

  • Karma: +0/-0
Re: Carb gurus
« Reply #15 on: June 21, 2013, 09:56:02 PM »
Only really one of those 2 things. Gasket covering a hole or needle and seat issue. Holley pretty simple.
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carlitos

  • Karma: +1/-0
Re: Carb gurus
« Reply #16 on: June 21, 2013, 11:17:37 PM »
If u take the fuel bowls off and turn them upside down are they in the middle of the bowl?
  • Boat #1: 86 bahner
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