Brought home a burb, fuel question? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**too much stuff** · 10-12-2006, 11:11 PM

Just bought this one, guess i needed it!!!
anyhow, its a 72 with not many options except rear air. The guy i bought it from put 6,000 miles on it since oct 86. Came from OK before that, but minnesota salt has its grip on it now. I have put about 70 miles on it and cleaned it up since these pics. My question is it looks like the gas is draining back from the carb when its shut off. Put a little gas in the carb, it fires up and runs fine. Shut it off and you have to put gas in the carb again. It has a pretty new fuel pump with the third line on it. Any ideas? It has a clear fuel filter in line that i can see the gas drains back out of. Thanks, Eric

JimKshortstep4x4 · 10-13-2006, 05:30 AM

From your description, it sounds like the float valve is sticking and not allowing gasoline into the carburetor. I would suggest checking the valve of replacing it. The carb could be really gunked up, also.

I see your Burb has rear AC!

Jim

**Yukon Jack** · 10-13-2006, 09:36 AM

Congrats on the cool addition to your family!

wibilly · 10-13-2006, 12:32 PM

eric the stock fuel filters in the carbs have check valves in them to prevent this

10-12-2006, 11:11 PM	#1
too much stuff Roadtrip! Join Date: Feb 2003 Location: Grand Rapids MN Posts: 13,768	Brought home a burb, fuel question? Just bought this one, guess i needed it!!! anyhow, its a 72 with not many options except rear air. The guy i bought it from put 6,000 miles on it since oct 86. Came from OK before that, but minnesota salt has its grip on it now. I have put about 70 miles on it and cleaned it up since these pics. My question is it looks like the gas is draining back from the carb when its shut off. Put a little gas in the carb, it fires up and runs fine. Shut it off and you have to put gas in the carb again. It has a pretty new fuel pump with the third line on it. Any ideas? It has a clear fuel filter in line that i can see the gas drains back out of. Thanks, Eric Attached Images __________________ 67 gmc custom lwb dakota truck. Sold...And bought back 69 swb 4x4 project (in progress) 70 c-10 lwb texas truck 70 4x4/BB/bkts/posi/tach(retired) 70 swb (wifes) 70 jimmy camper 71 K-5 factory 2wd 71 cheyenne 4x4/tach/posi/ plow rig 71 Cheyenne20 BB, buckets, tach, tilt, 4 speed 72 jimmy CST wyoming rig 72 jimmy Colorado rig 72 lifted texas 4x4 3/4 ton burb 65 fury conv. 383/auto 65 chrysler 300 "L" 413 auto

10-13-2006, 05:30 AM	#2
JimKshortstep4x4 Senior Member Join Date: Jul 2001 Location: Muskegon,MI,USA Posts: 6,026	Re: Brought home a burb, fuel question? From your description, it sounds like the float valve is sticking and not allowing gasoline into the carburetor. I would suggest checking the valve of replacing it. The carb could be really gunked up, also. I see your Burb has rear AC! Jim

10-13-2006, 09:36 AM	#3
Yukon Jack Post Whore Join Date: Feb 2000 Location: Rose Hill, KS, USA Posts: 12,684	Re: Brought home a burb, fuel question? Congrats on the cool addition to your family! __________________ 1970 Blazer with a 400 sbc and 4" lift 1980 Pontiac Trans Am, 455 Oldsmobile 2012 Kawasaki Concours 14

10-13-2006, 12:32 PM	#4
wibilly Senior Member Join Date: Nov 2005 Location: northwestern wi Posts: 2,111	Re: Brought home a burb, fuel question? eric the stock fuel filters in the carbs have check valves in them to prevent this __________________ common sense isn't so common anymore

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