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Author Topic: Holley ?  (Read 3594 times)

Offline Clintond

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Holley ?
« on: January 03, 2008, 06:50:07 pm »
Gas is coming through the carb w/o filling the float bowl.  It just dumps into the engine and runs out both pipes.  It will idle fine and the the RPMs drop and it starts dumping fuel.  Float level is set per rebuild instructions right now.  It was over the sight plug when I rebuilt it now the bowl barely holds fuel.
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Offline Clintond

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Re: Holley ?
« Reply #1 on: January 03, 2008, 08:11:44 pm »
It is a 4160 series.  The truck was running fine and I changed the flywheel.  I started the truck it ran fine and then it died.  I started it back up and it backfired and gas spit out.  I changed the power valve and the float adjuster.   
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Offline VileZambonie

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Re: Holley ?
« Reply #2 on: January 03, 2008, 09:02:12 pm »
Float is probably stuck
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74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline Redneckchevy

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Re: Holley ?
« Reply #3 on: January 03, 2008, 09:05:49 pm »
Yea...I just rebuilt the same carb...It sounds like a float or the needle valve its self..might of got hung up on the floats hinge
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1986 Chevrolet K10 Swb "Women love the hood scoop"
1997 Chevrolet K10 Lwb "Dunno what women love"

Offline Clintond

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Re: Holley ?
« Reply #4 on: January 12, 2008, 04:40:04 pm »
I put new floats in and cleaned everything again.  It started and idled for about three minutes and quit.  During this time it ran fine and sounded like the truck of old.  Once again I have to have the gas pedal more than halfway so it will run and gas is coming out the tail pipes.  It has spark and fuel.  Timing is perfect it started the first time I touched the key even w/o pumping the gas pedal.  RPMs are sluggish.
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Offline VileZambonie

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Re: Holley ?
« Reply #5 on: January 12, 2008, 04:53:33 pm »
Did you set the float level correctly? Think of it like this...you know the float arm in your toilet tank? When the tank fills up with enough water the float shuts off the flow of water into the toilet tank. The float ckt in the carburetor does the same thing. If when the fuel bowl is full the float doesn't close the needle into the seat fuel will continue to pump into the bowl overfilling it and pouring it right into the carburetor. That being said make sure your fuel pressure is no more than 7 PSI especially if you are running anything other than a stock fuel pump.
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,                           ___ 
                         /  _ _ _\_
              ⌠ŻŻŻŻŻ'   [☼===☼]
              `()_);-;()_)--o--)_)

74 GMC, 75 K5, 84 GMC, 85 K20, 86 k20, 79 K10

Offline Redneckchevy

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Re: Holley ?
« Reply #6 on: January 12, 2008, 05:43:06 pm »
I dont even no why i post...Vile sums it all up lol
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1986 Chevrolet K10 Swb "Women love the hood scoop"
1997 Chevrolet K10 Lwb "Dunno what women love"

Offline Clintond

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Re: Holley ?
« Reply #7 on: January 12, 2008, 09:21:25 pm »
She is running again.  The fuel inlet wasn't turned the right direction.  I was determined the problem was in the fuel bowl.  Somtimes you have to step back and relax then the answer hits you.  Thanks for the help.
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