What is this powder on my carb? - Page 2 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

rambler · 06-05-2008, 04:10 PM

never seen that before,, could someone mad at you or pulling a prank do it?

JayDubBlazer · 06-05-2008, 04:14 PM

I looked through my PVC valve and hose. Granted it was about two months since I took it apart. There was nothing in either the valve or the hose. My assumption at this point is that somehow there was some build up in the carb. When I used the parts cleaning solution to clean the carb it caused it to "bleach" or turn yellow. If that is the case what could have deposited there? The powder was plugged all the way back until youhit the wall.

Does anyone have a home chemistry set?

JayDubBlazer · 06-05-2008, 04:17 PM

Quote:

Originally Posted by OrangeCrush1970

I did some looking around and the best that I can come up with is that it is oxidized metal. What type of fuel / additives are you running? It could be a byproduct of some fuel additive-

Or it could be the teacher who's class you were skipping to put that carb on playing a joke on you...

I had the trucked shipped out here to PA, but it was in Iowa for six years. Maybe that is a product of ethanol.

andresco50 · 06-05-2008, 04:36 PM

Bronze oxide??

Steelawork'n · 06-05-2008, 04:41 PM

That's really weird. Could be fuel line coloring, or stuff out of the filter. Gas is a great solvent so it could be some sort of ink stuff on a cheaply made-in China filter or pump or something....not saying you are into cheap parts but gas just loves cleaning stuff.

06-05-2008, 04:10 PM	#26
rambler MOVE OVER Join Date: Jun 2002 Location: Warrensburg, MO Posts: 5,470	Re: What is this powder on my carb? never seen that before,, could someone mad at you or pulling a prank do it? __________________ No matter where you are..... There you are... Buckaroo Banzi

06-05-2008, 04:14 PM	#27
JayDubBlazer go cyclones Join Date: Jun 2003 Location: Ames, IA Posts: 1,883	Re: What is this powder on my carb? I looked through my PVC valve and hose. Granted it was about two months since I took it apart. There was nothing in either the valve or the hose. My assumption at this point is that somehow there was some build up in the carb. When I used the parts cleaning solution to clean the carb it caused it to "bleach" or turn yellow. If that is the case what could have deposited there? The powder was plugged all the way back until youhit the wall. Does anyone have a home chemistry set? __________________ Wes PROJECT OLE GREEN 1972 Blazer 4X4 350/700R4 2017 Silverado LT

06-05-2008, 04:36 PM	#29
andresco50 Registered User Join Date: Jan 2008 Location: Lakeworth, Fl Posts: 633	Re: What is this powder on my carb? Bronze oxide?? __________________ 2001 silverado 2wd 2003 silverado 4wd 1975 scottsdale c10 (project)

06-05-2008, 04:41 PM	#30
Steelawork'n Just hang'n around Join Date: Nov 2005 Location: Camano Island WA Posts: 248	Re: What is this powder on my carb? That's really weird. Could be fuel line coloring, or stuff out of the filter. Gas is a great solvent so it could be some sort of ink stuff on a cheaply made-in China filter or pump or something....not saying you are into cheap parts but gas just loves cleaning stuff. __________________ Driving a '68 Chevy C20 and a '93 Astro Van. Lots and lots of mileage that I deduct each year.

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