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06-04-2008, 10:37 PM
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#1 |
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go cyclones
Join Date: Jun 2003
Location: Ames, IA
Posts: 1,885
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What is this powder on my carb?
Guys I am putting my truck back together and I found this powder in the carb. What is it? As you can see from the picture it is bright yellow, I had a PVC valve running from my valve cover to that port.
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06-04-2008, 11:39 PM
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#2 | |
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Registered User
Join Date: Apr 2004
Location: Las Vegas, NV
Posts: 2,188
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Re: What is this powder on my carb?
Quote:
 Im waiting for an answer on this one
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RIP EastSideLowLife '72 C20 SWB convert. 5 lug, LS1/4l60e |
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06-04-2008, 11:42 PM
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#3 |
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Out of the carpool lane.
Join Date: Jan 2000
Location: Clark Co, WA
Posts: 5,673
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Re: What is this powder on my carb?
Gold. Isn't that what you're putting in your fuel tank nowdays?
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1968 C-10 SWB, 5.7 Vortec/700R4/3.73 posi, Torch Red 1968 Camaro, 250/Powerglide, all original (No, I'm not gonna drop a 350 in it!...Jeez!) 2000 Honda VFR in the faster yellow! 2008 Husqvarna TE-610 1967 C-10 SWB 'Six Appeal'-Gone but not forgotten... |
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06-05-2008, 12:12 AM
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#4 |
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Registered User
Join Date: Aug 2007
Location: branson mo
Posts: 933
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Re: What is this powder on my carb?
It looks like sulfur, but i have no idea why sulfur would be in there. Does the powder smell bad?
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06-05-2008, 12:20 AM
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#5 |
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Happy Camper
Join Date: Feb 2006
Location: Northern California
Posts: 8,408
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Re: What is this powder on my carb?
Ummm? I want to know too!
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RIP El Jay! Love you brother! |
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06-05-2008, 12:32 AM
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#6 |
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Hand Crafted C-10
 
Join Date: Aug 2006
Location: Burien, WA
Posts: 5,180
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Re: What is this powder on my carb?
DanvilleGold? Don't get pulled over!
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06-05-2008, 01:31 AM
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#7 |
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Green club
Join Date: May 2002
Location: Central CA
Posts: 1,059
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Re: What is this powder on my carb?
Humm, looks like an additive in the oil coming back as a powder.
Or sulpher, what kind of oil are you using? Never have seen that one......
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71 short/fleet ECE 4/6 drop, LQ4/700r4/3.42 gears 70 SS396 Chevelle 427/200-4R/3.73posi 61 Lincoln Continental, black on black Son you are going to drive me to drinkin if you don't stop drivin that hot rod lincoln |
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06-05-2008, 01:31 AM
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#8 |
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Registered User
Join Date: Feb 2008
Location: Phoenix, Az
Posts: 1,204
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Re: What is this powder on my carb?
Is it a new carb? Did it come out of the box that way or did it appear from the carb sitting around? Was it near anything that could of leaked into the carb and dried to create that powder? Electrolysis? What does the PCV valve look like?
Curious though, how\what could create sulphur?
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R.I.P. Scott Kalitta
Last edited by HoupPhotography; 06-05-2008 at 01:32 AM. |
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06-05-2008, 01:38 AM
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#9 |
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Registered User
Join Date: Mar 2002
Location: woodstock, alabama, usa
Posts: 938
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Re: What is this powder on my carb?
"Curious though, how\what could create sulphur?"
aren't there sulphates in the fuel?
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i survived cancer and kidney stones, but my kids are killing me. |
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06-05-2008, 07:00 AM
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#10 |
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Chevy nut
Join Date: Jun 2007
Location: Springfield, Illinois
Posts: 2,265
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Re: What is this powder on my carb?
Got me on this one guys. I am waiting to see if there is an answer on this one.
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84 Chevy Custom Deluxe 1/2 Ton Named Fade To Black II "Remember kids there is NO replacement for displacement!" |
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06-05-2008, 07:47 AM
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#11 |
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go cyclones
Join Date: Jun 2003
Location: Ames, IA
Posts: 1,885
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Re: What is this powder on my carb?
It doesn't smell like sulfur, i didn't try the taste test
 . The only other thing I can think that did to is was ran it through the parts cleaner but again something had to be there in the first place to turn yellow.
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06-05-2008, 07:58 AM
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#12 |
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Registered User
Join Date: Aug 2007
Location: pittsburgh pa
Posts: 1,970
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Re: What is this powder on my carb?
How long have you owned the truck?? To me it looks like a tracer dye.. it is made to put in the oil to pin point the source of leaks... They also make it for A/C systems and other fluids as well... Normally you have to use a UV light to see it but that is not always true.. Good luck... Then again have you ever seen Ghostbusters??
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68 C10 Shorty TPI,Bagged, and all the good stuff. Classic trucks feature June 06, On the cover of Jegs Christmas Catalog 08 67 C10 Shorty Shop truck project Bagged and Z'd under destruction and getting nowhere fast. 64 C10 Shop Truck/Daily driver, Bagged, Dropmember, SOLD!!!! Gone but not forgotten.. 54 GMC under the knife getting a S10 chassis swap and bagged. See my build thread... 07 GMC Sierra 5/7 drop, 22's and 24's Air ride on my mind.. http://67-72chevytrucks.com/vboard/s...d.php?t=339340 See pics of my trucks in my profile |
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06-05-2008, 08:02 AM
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#13 |
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go cyclones
Join Date: Jun 2003
Location: Ames, IA
Posts: 1,885
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Re: What is this powder on my carb?
I bought the carb new back in 2001, I will never forgot because I was putting my new engine in, skipping school and listening to the radio. It was Semptember 11. I probaly only have 5000 miles on the carb. If nothing else I will just clean it out really well and check it in 500-1000 miles again.
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06-05-2008, 09:19 AM
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#14 |
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Active Member
Join Date: Jul 2007
Location: Centrally located between Houston, Austin and Waco. BCS area.
Posts: 7,947
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Re: What is this powder on my carb?
That sure looks like a lot of powder coming out of that tube!
When you pulled the hose off, did it pour from the hose or did you scoop it out of the carb vacuum port? Something's not right. If that much contamination was coming from the oil and being sucked into the carb, you'd be able to detect it. Or, there would be black goo mixed in with it. It just looks too clean to have come from the engine. I'd suspect carb internal contamination or fuel contamination... |
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06-05-2008, 10:56 AM
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#15 | |
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Hand Crafted C-10
Join Date: Aug 2006
Location: Burien, WA
Posts: 5,180
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Re: What is this powder on my carb?
Quote:
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06-05-2008, 11:15 AM
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#16 |
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Hittin E-Z Street on Mud Tires
Join Date: Nov 2004
Location: Greenville, SC
Posts: 23,090
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Re: What is this powder on my carb?
Stop peeing in your gas tank, it won't increase your mpg.
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Jesse James 1967 C10 SWB Stepside: 350/700R4/3.73 1965 Ford Mustang: 289/T5-5spd/3.25 Trac-Loc 1968 Pontiac Firebird: Project Fire Chicken! 2015 Silverado Double Cab 5.3L Z71 2001 Jeep Wrangler Sport 4.0L 5spd 2020 Chevrolet Equinox Premium 2.0L Turbo 2011 Mustang V6 ~ Wife's ride  American Born, Country by the Grace of God  1967 CST Shop Truck Rebuild! My 1967 C-10 Build Thread My Vintage Air A/C Install Project "On a Dime" Trying my hand at Home Renovation! 1965 Mustang Modifications! |
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06-05-2008, 11:26 AM
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#17 | |
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Registered User
Join Date: Apr 2004
Location: Clanton, AL
Posts: 1,253
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Re: What is this powder on my carb?
Quote:
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85' CUCV M1009!!! The newest addition! 6.2diesel, Th400, NP208, & only 36k miles! 70' C-10 LWB Fleetside - Looking good these days!  05' Dodge Neon 88' Winner Escape Sport 1750 - 4.3v6 94' Seadoo SP 84' Honda TRX200, bare nekkid. Just a frame & tires. Always looking for another project or any good deal! 
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06-05-2008, 11:31 AM
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#18 | |
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More Cowbell....
Join Date: Mar 2004
Location: Puckett, MS
Posts: 3,569
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Re: What is this powder on my carb?
Quote:
Looks like something the 'ricers' would do. Add yellow powder-coating powder to produce a cool yellow fog when they launch away from that '30-something-year-old-junk-pile-you-call-a-truck'  But I do agree with everyone else. That sure looks like yellow powder.
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There once was a member from Puckett.....Who ( fill in the blank blank blank ) bucket Last edited by Putter; 06-05-2008 at 11:33 AM. |
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06-05-2008, 11:32 AM
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#19 |
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The Older Generation
  
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,360
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Re: What is this powder on my carb?
-
You don't have Honey Bees in there do you? It almost looks like bee pollen.... LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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06-05-2008, 11:33 AM
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#20 |
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Registered User
Join Date: Aug 2005
Location: Philly
Posts: 1,140
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Re: What is this powder on my carb?
Definitely looks like sulphur.
If it was near the air filter, I'd say it might be pollen on a long shot but this is coming from the PCV so I don't know.
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06-05-2008, 11:58 AM
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#21 |
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Son of a gun
Join Date: Jan 2007
Location: Hot Springs, Arkansas
Posts: 1,636
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Re: What is this powder on my carb?
I thought maybe a dirt dauber nest...but I've never seen one that color!
They do like to stop up round openings like that though.
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Bill BEATERS ARE NEATER |
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06-05-2008, 12:48 PM
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#22 |
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Firefighter
Join Date: Feb 2001
Location: Yellville, Ar, USA
Posts: 1,943
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Re: What is this powder on my carb?
I have seen fuel varnish deposits like that before, just not quite that much... Also have you had that carb for a while, or did you recently get it, reason I'm asking is because it looks like fire extinguisher powder also.
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'72 Chevy SWB 350 Auto '67 GMC LWB 350 4 speed '70 Chevy 4x4 Stepside 350 Auto Yellville, Ar. USA  
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06-05-2008, 01:20 PM
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#23 |
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Gettin By on Gettin By
Join Date: Jan 2008
Location: Cedar Creek, Tx
Posts: 1,033
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Re: What is this powder on my carb?
Its your truck giving you hints on new color choices for the outside. Looks like Corvette Yellow to me.
This is just weird. And i have no clue. But wanna know what it is.
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69 CST10 LWB 455 Buick 00 S10 2.2 Vin5 76 GL1000 Naked 1bl VW carb "Adios to all the concrete; Gonna get me some dirt road back streets" |
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06-05-2008, 01:48 PM
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#24 |
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Registered User
Join Date: Jun 2007
Location: Smyrna, GA
Posts: 709
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Re: What is this powder on my carb?
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...
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Rottenwood Garage 1970...71...72 C1500 aka Orange aka Sideshow Bob 540 BB Straub Roller Cam, AFR Magnums, XP 950, TKO 600 2 Tons of Fun |
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06-05-2008, 02:47 PM
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#25 |
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Registered User
Join Date: Mar 2002
Location: southern calif.,usa
Posts: 200
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Re: What is this powder on my carb?
if you think its coming from the pvc valve,then pull that valve cover and do some investagateing
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70 c10 stepside ,350v8, m-20 4 speed 
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