Black liquid from exhaust? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

asickber · 01-02-2012, 04:11 PM

I need some help. Whenever I start my '72 Longhorn I get a lot of black liquid from the exhaust. It appears to be soot mixed with water. It doesn't have the smell of gas. Once the truck is warmed up it stops. Any ideas? My wife doesn't appreciate the black spots in the garage.

ulakovic22 · 01-02-2012, 04:25 PM

You're right, moisture and carbon.

eurospec1 · 01-02-2012, 04:30 PM

Its just condensation that builds up in the pipes overnight, mixes with soot in the pipes (seems you truck runs rich). Not much you can do about it except tell the wife the garage is man territory and not to worry about it

asickber · 01-02-2012, 04:31 PM

That's what I figured, but is that much normal?

eurospec1 · 01-02-2012, 04:32 PM

Quote:

Originally Posted by asickber

That's what I figured, but is that much normal?

yep i wouldn't be concerned

asickber · 01-02-2012, 04:33 PM

Quote:

Originally Posted by eurospec1

Its just condensation that builds up in the pipes overnight, mixes with soot in the pipes (seems you truck runs rich). Not much you can do about it except tell the wife the garage is man territory and not to worry about it

Problem is her trailblazer is parked right next to it and gets a nice coating of soot. Maybe I can talk her into parking out in the driveway and then my other truck can be parked in the garage.

**jocko** · 01-02-2012, 04:34 PM

you let your wife in the garage!!!
I'm thinkin a wise man could fenagle a new floor coating out of this situation.

eurospec1 · 01-02-2012, 04:35 PM

Could always change the pipe to not dump out the side

asickber · 01-02-2012, 04:35 PM

Now you got me thinking about floor coatings!

eurospec1 · 01-02-2012, 04:35 PM

Quote:

Originally Posted by jocko

you let your wife in the garage!!!
I'm thinkin a wise man could fenagle a new floor coating out of this situation.

I know right, she cant make samiches in the garage

asickber · 01-02-2012, 04:37 PM

Quote:

Originally Posted by eurospec1

Could always change the pipe to not dump out the side

Dual exhaust allows a nice buildup on her trailblazer and the wall all at once. I'll tell her to live with it....wish me luck!

**jocko** · 01-02-2012, 04:38 PM

oh my lord, I hope she's not reading this, or he'll be making samiches in the garage...
Could also swap spaces in the garage to protect her car (but do this AFTER the new floor coating, and maybe you can parlay it into a new wall covering as well)

HA! Edit - too funny - was typing the above before you posted the dual exhaust tid-bit. DEFINITELY new floor covering. And to keep her car clean, buy another truck, put it in the garage and hers in the driveway.

eurospec1 · 01-02-2012, 04:40 PM

Quote:

Originally Posted by asickber

Dual exhaust allows a nice buildup on her trailblazer and the wall all at once. I'll tell her to live with it....wish me luck!

Run em out the back, wont get on her trailblazer anymore, dump them under the truck, and it wont get on the blazer or the wall..

fastwillie 696969 · 01-02-2012, 06:24 PM

your truck spits

mud.man.rj · 01-02-2012, 06:30 PM

I would work on the new floor coating first and tell her she is right and had a great idea because you don't want to ruin her truck or the cement either. Then new exhaust out the back later, that wife is awsome buying you all that stuff, she has good ideas.

FrankieD · 01-02-2012, 06:46 PM

With the cold weather and Ethenol in the gas you can't help it, your wifes will do the same thing except her moisture is cleaned up by the converter. Throw some card board on the floor and call it a day.

shawno72 · 01-02-2012, 07:01 PM

Don't ALL trucks mark there spot?????

trev1 · 01-02-2012, 09:39 PM

Open garage door, start truck, put foot on brake, press gas pedal to floor, lay a black strip, tell wife a floor covering will prevent both. Problem solved. Then she will have something different to worry about.

Sorry.... I couldnt resist.......

Dont worry about the black soot and water. All will do it without a converter.

My wife just told me I had to fix and eat samiches in the DOG HOUSE.

FrankieD · 01-02-2012, 10:11 PM

By the way love your truck how about some pix

**allchevy58** · 01-03-2012, 01:15 AM

Quote:

Originally Posted by trev1

Open garage door, start truck, put foot on brake, press gas pedal to floor, lay a black strip, tell wife a floor covering will prevent both. Problem solved. Then she will have something different to worry about.

Sorry.... I couldnt resist.......

Dont worry about the black soot and water. All will do it without a converter.

My wife just told me I had to fix and eat samiches in the DOG HOUSE.

I like your idea of solving this problem trev1.

GRX · 01-03-2012, 03:19 AM

Black liquid from exhaust ... Hey, you found my Coffee!

asickber · 01-03-2012, 07:46 PM

Quote:

Originally Posted by FrankieD

By the way love your truck how about some pix

Thanks. I got home too late to take any pictures worth while. This was the best I could for now. It's a 20 footer.

FrankieD · 01-05-2012, 09:44 PM

Quote:

Originally Posted by asickber

Thanks. I got home too late to take any pictures worth while. This was the best I could for now. It's a 20 footer.

"Sweet" Thanks

sanford66 · 01-06-2012, 01:53 AM

Black spots on the floor huh....at least its not as bad as this. Joseph

fast50ranger · 01-06-2012, 10:40 AM

Paint your garage floor black

01-02-2012, 04:11 PM	#1
asickber Registered User Join Date: Nov 2005 Location: Birdseye, IN Posts: 99	Black liquid from exhaust? I need some help. Whenever I start my '72 Longhorn I get a lot of black liquid from the exhaust. It appears to be soot mixed with water. It doesn't have the smell of gas. Once the truck is warmed up it stops. Any ideas? My wife doesn't appreciate the black spots in the garage. Attached Images

01-02-2012, 04:25 PM	#2
ulakovic22 Registered User Join Date: Aug 2008 Location: Lantana, TX Posts: 419	Re: Black liquid from exhaust? You're right, moisture and carbon.

01-02-2012, 04:30 PM	#3
eurospec1 Registered User Join Date: Jun 2011 Location: Green Cove Springs FL Posts: 194	Re: Black liquid from exhaust? Its just condensation that builds up in the pipes overnight, mixes with soot in the pipes (seems you truck runs rich). Not much you can do about it except tell the wife the garage is man territory and not to worry about it __________________ 68 SWB Fleet 383

01-02-2012, 04:31 PM	#4
asickber Registered User Join Date: Nov 2005 Location: Birdseye, IN Posts: 99	Re: Black liquid from exhaust? That's what I figured, but is that much normal?

01-02-2012, 04:34 PM	#7
jocko Senior Member Join Date: Oct 2009 Location: Godley, TX Posts: 17,935	Re: Black liquid from exhaust? you let your wife in the garage!!! I'm thinkin a wise man could fenagle a new floor coating out of this situation.

01-02-2012, 04:35 PM	#8
eurospec1 Registered User Join Date: Jun 2011 Location: Green Cove Springs FL Posts: 194	Re: Black liquid from exhaust? Could always change the pipe to not dump out the side __________________ 68 SWB Fleet 383

01-02-2012, 04:35 PM	#9
asickber Registered User Join Date: Nov 2005 Location: Birdseye, IN Posts: 99	Re: Black liquid from exhaust? Now you got me thinking about floor coatings!

01-02-2012, 04:38 PM	#12
jocko Senior Member Join Date: Oct 2009 Location: Godley, TX Posts: 17,935	Re: Black liquid from exhaust? oh my lord, I hope she's not reading this, or he'll be making samiches in the garage... Could also swap spaces in the garage to protect her car (but do this AFTER the new floor coating, and maybe you can parlay it into a new wall covering as well) HA! Edit - too funny - was typing the above before you posted the dual exhaust tid-bit. DEFINITELY new floor covering. And to keep her car clean, buy another truck, put it in the garage and hers in the driveway.

01-02-2012, 06:24 PM	#14
fastwillie 696969 ~Rest In Peace~ Join Date: May 2005 Location: CALIFORNIA NOR CAL Posts: 9,707	Re: Black liquid from exhaust? your truck spits __________________ is it fast ? it has a lighting bolt donut? B___H please, I can remove 90% of your so called "beauty" with a kleenex

01-02-2012, 06:30 PM	#15
mud.man.rj Registered User Join Date: Dec 2011 Location: Creighton Sask. Canada Posts: 4,121	Re: Black liquid from exhaust? I would work on the new floor coating first and tell her she is right and had a great idea because you don't want to ruin her truck or the cement either. Then new exhaust out the back later, that wife is awsome buying you all that stuff, she has good ideas.

01-02-2012, 06:46 PM	#16
FrankieD Registered User Join Date: Jan 2011 Location: Gilberts IL. Posts: 2,488	Re: Black liquid from exhaust? With the cold weather and Ethenol in the gas you can't help it, your wifes will do the same thing except her moisture is cleaned up by the converter. Throw some card board on the floor and call it a day. __________________ 94 k2500 EXCab Long Bed 350ci New Toy 95 K2500 Suburban New PlowTruck 454ci Support our Troops @ http://anyairman.com http://www.woundedwarriorproject.org/

01-02-2012, 07:01 PM	#17
shawno72 C/10 junkie Join Date: Nov 2010 Location: Stockton Ca Posts: 9,093	Re: Black liquid from exhaust? Don't ALL trucks mark there spot????? __________________ Shawn 70 LWB C10 current driver/project http://67-72chevytrucks.com/vboard/s...d.php?t=663051 68 SWB C10 Work in progress.....SOLD http://67-72chevytrucks.com/vboard/s...d.php?t=559520 72 LWB C10 Sold 71 LWB C10 Sold 68 LWB C10 CST Sold http://youtu.be/kbB0QrBIs9k My mom always had the best advice. It was just a tad late. After a fall that involved blood, she'd say....."Careful!"

01-02-2012, 09:39 PM	#18
trev1 Registered User Join Date: Nov 2010 Location: Goodman,Mo Posts: 155	Re: Black liquid from exhaust? Open garage door, start truck, put foot on brake, press gas pedal to floor, lay a black strip, tell wife a floor covering will prevent both. Problem solved. Then she will have something different to worry about. Sorry.... I couldnt resist....... Dont worry about the black soot and water. All will do it without a converter. My wife just told me I had to fix and eat samiches in the DOG HOUSE.

01-02-2012, 10:11 PM	#19
FrankieD Registered User Join Date: Jan 2011 Location: Gilberts IL. Posts: 2,488	Re: Black liquid from exhaust? By the way love your truck how about some pix __________________ 94 k2500 EXCab Long Bed 350ci New Toy 95 K2500 Suburban New PlowTruck 454ci Support our Troops @ http://anyairman.com http://www.woundedwarriorproject.org/

01-03-2012, 03:19 AM	#21
GRX Registered User Join Date: Jul 2010 Location: MD Posts: 1,937	Re: Black liquid from exhaust? Black liquid from exhaust ... Hey, you found my Coffee! __________________ 1969 c-10 Step Side Long Bed. I-6 250cid = = 1969 Pontiac GTO hard top. 400, 4-speed.



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01-06-2012, 01:53 AM	#24
sanford66 Registered User Join Date: Jun 2007 Location: Everest Ks Posts: 749	Re: Black liquid from exhaust? Black spots on the floor huh....at least its not as bad as this. Joseph Attached Images __________________ 1970 Chevelle Nomad station wagon 1966 C-10 lwb,250-six,granny 4speed 1966 C-10 lwb,factory A/C,Custom Cab 1954 Delray 2-door sedan [rat rod project]

01-06-2012, 10:40 AM	#25
fast50ranger Registered User Join Date: Mar 2007 Location: Marbury, Alabama Posts: 195	Re: Black liquid from exhaust? Paint your garage floor black __________________ Big Block Powered

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