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Old 08-15-2019, 02:39 PM   #1
artron9
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Default cleaned fuel bowl=no start?

After having issues with my 52 v8 jets, i moved on to cleaning the glass fuel bowl on my fuel pump. Lots of debris on the bottom. After cleaning and making sure I set the glass correctly onto the gasket and secured the bracket, I proceeded to start the car. Engined turned strong but did not fire up. This has happened before and I had to call AAA to get it to the shop. Can't figure out how to get this to work? Did a lot of forum searching but still have not found the solution! The pump was working fine before I removed the glass! All the lines seem to be secure and in good condition. I primed the bowl with fuel, and filled the float bowl with fuel. What else?
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Old 08-15-2019, 02:45 PM   #2
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Default Re: cleaned fuel bowl=no start?

If you can squirt fuel into the intake and it won't fire sounds like an electrical issue. See if it will fire with squirting fuel directly into the carburetor and see if it will attempt to start (fire). If so the ignition is most likely ok and there is an air leak somewhere in the connections.
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Old 08-15-2019, 02:53 PM   #3
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Default Re: cleaned fuel bowl=no start?

JSeery, It will fire up til that fuel from the carb is used up! Fuel is not being sucked up from the bowl? Problem is that it was fine prior to my bowl cleaning. Pump has recently been rebuilt by one of the best!
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Old 08-15-2019, 02:58 PM   #4
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Default Re: cleaned fuel bowl=no start?

Well, that narrows it down a bunch. The glass bowl is not sealing to the gasket or something else was disturbed that is allowing a air leak into the fuel line. Sometimes a bit of a help priming the lines can help. Apply a slight amount of pressure to the fuel fill at the tank to push fuel up to the glass bowl/pump. If that doesn't help, there about has to be an air leak somewhere.
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Old 08-15-2019, 03:03 PM   #5
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Default Re: cleaned fuel bowl=no start?

Be sure to use a cork gasket on the bowl as opposed to neoprene....
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Old 08-15-2019, 03:13 PM   #6
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Default Re: cleaned fuel bowl=no start?

I am using cork. How about a vacuum attached to the air horn on the carb?
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Old 08-15-2019, 03:36 PM   #7
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Default Re: cleaned fuel bowl=no start?

Quote:
Originally Posted by artron9 View Post
JSeery, It will fire up til that fuel from the carb is used up! Fuel is not being sucked up from the bowl? Problem is that it was fine prior to my bowl cleaning. Pump has recently been rebuilt by one of the best!
Fuel does not get sucked up from the bowl, it is sucked up from the tank and pushed to the carb.
Check to make sure that the cork gasket is not cracked, as no amount of tightening will seal it from sucking air.
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Old 08-15-2019, 04:30 PM   #8
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Default Re: cleaned fuel bowl=no start?

Sounds like you found your problem "lots of debris in the bowl. So, your jets may be clogged again. Only takes a piece the size of fly sh#t to do it. You definitely need a filter before the pump. Look in the bottom of your carb bowl also.
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Old 08-15-2019, 05:52 PM   #9
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Default Re: cleaned fuel bowl=no start?

You guys were right on! Cork gasket was creased preventing a perfect seal! My bad! Sure felt like it was on right? Only had a neoprene gasket so i had to use that for now. Most of you prefer the cork gasket? Thanks for all your great advice!
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Old 08-17-2019, 07:41 PM   #10
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Default Re: cleaned fuel bowl=no start?

x3 on the cork gasket. I have had much better results against leaking than with the neoprene ones.
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Old 08-17-2019, 08:06 PM   #11
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Default Re: cleaned fuel bowl=no start?

I usual fill the bowl with fresh fuel 3/4 the way. Always starts. With a new gasket remember to revisit it and tighten. Cork.
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Old 08-17-2019, 08:39 PM   #12
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Default Re: cleaned fuel bowl=no start?

So the debris in the bowl came from somewhere. Until you eliminate the source, you'll still have the issue - cork or no cork.
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Old 08-17-2019, 08:48 PM   #13
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Default Re: cleaned fuel bowl=no start?

The glass bowl is there only to filter debris. Certainly it could get by and clog a jet as debris are really small. I replaced the lines with copper and a new tank from a vendor. I get a few chips in the bowl. It's not coming from the copper lines. Hasn't effected my carb to my knowledge yet but I do clean out the bowl trap.

Put a small earth magnate on the bottom of the bowl till you figure it out maybe. Not sure if it will stick real well on the outside, but you could probably just throw it in the bowl. Not a lot of pressure that would suck it up to the top of the sediment bowl as it's just siphoning fuel. There is a screen anyway.




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Last edited by Tinker; 08-17-2019 at 09:15 PM.
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Old 08-18-2019, 10:01 AM   #14
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Default Re: cleaned fuel bowl=no start?

U can also put a small round paper cartridge type filter in the sediment bowl with a spring under it.
Napa gold 3039. They work great!
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Old 08-18-2019, 12:42 PM   #15
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Default Re: cleaned fuel bowl=no start?

The only way to use a vacuum might be on the pressure side to blow into the fuel tank with a rag tohelp seall it! Should probably have 2 people. CAUTION !! Using a vacuum cleaner on the vacuum side could lead to a FIRE !! jmho
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Old 08-18-2019, 02:17 PM   #16
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Default Re: cleaned fuel bowl=no start?

Cork hardens over time and will not seal correctly when the bowl is removed and replaced. When cleaning the bowl, always have a new gasket available. At our shop we do not reuse gaskets of any type. They seal by compressing the material in all applications and are used only once, whether head gaskets or other applications.
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Old 08-18-2019, 03:52 PM   #17
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Default Re: cleaned fuel bowl=no start?

I'm with all of the others. Cork Gaskets just plain work better than neoprene. All logic tells me it should be the other way around, but experience counts. Also agree with "supereal" about not re-using them.
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Old 08-18-2019, 04:13 PM   #18
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Default Re: cleaned fuel bowl=no start?

I use neoprene gasket - cork is not reliable. Learned from a farm tractor.
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Old 08-19-2019, 07:43 AM   #19
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Default Re: cleaned fuel bowl=no start?

Coating cork gaskets with a very light rub of bearing grease helps to keep the pliable. My latest trick is on low temp area gaskets I spray them with cooking spray. Chap
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