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Jan 2, 2012 | 04:42 PM

cory5517

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Black smoke

I'm new to diesels so was wondering when kids around here would take off in their diesels they'd leave a trail of black smoke, what causes that?

Jan 2, 2012 | 04:46 PM

Jmatthews

is a BAAAD MAN

Joined: Apr 2005

Posts: 3,738

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From: Winston Salem NC

They had a chip or tuner that wasn't very good.

Jan 2, 2012 | 04:48 PM

85e150

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Black smoke from a older diesel is caused by too much throttle against too much load. The injectors are putting in more fuel than the engine can use, and it goes out the exhaust as black smoke. Non-turbo or non-supercharged engines do this more.

A newer or new oil burner will smoke if the owner changes the engine programming via a chip or retune.

Jan 2, 2012 | 05:09 PM

cory5517

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Joined: Jun 2011

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Ok I want to put a 4” exhaust system on my truck and didn't want to if it was gonna release black smoke

Jan 2, 2012 | 05:31 PM

Jmatthews

is a BAAAD MAN

Joined: Apr 2005

Posts: 3,738

Likes: 5

From: Winston Salem NC

You're okay.. Exhaust doesn't cause black smoke by itself.

Jan 2, 2012 | 05:35 PM

7.3Homeboy91

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Joined: Nov 2011

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Being able to blow black smoke is one of the best things about having a diesel! that and they pull stuff like nothing else

Jan 2, 2012 | 08:14 PM

cleatus12r

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Joined: Apr 2004

Posts: 9,415

Likes: 2,910

From: Reed Point, MT

Quote:

Originally Posted by 7.3Homeboy91

Being able to blow black smoke is one of the best things about having a diesel!

Somebody shoot me.

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Jan 2, 2012 | 08:52 PM

94WhiteF250

Senior User

Joined: Sep 2008

Posts: 419

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From: Alfred NY and Long Island

Quote:

Quote:
<table width="100%" border="0" cellpadding="6" cellspacing="0"> <tbody><tr> <td style="border: 1px inset;" class="alt2"> Originally Posted by 7.3Homeboy91

Being able to blow black smoke is one of the best things about having a diesel!
</td> </tr> </tbody></table>

Somebody shoot me.

Haha I am with you cleatus. I hate the fact that my truck use to bellow out black smoke all the time. Finally have it running good, no more black smoke unless im under heavy throttle in a hot tune. I don't see the point of blowing black smoke 24/7....you get bad mpg, and it gives our trucks a bad name. People hear diesel and they just think of black smoke.

I want a clean burning truck with good mpg! Keeps me under the radar!

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Jan 3, 2012 | 01:48 AM

big poppa

Post Fiend

Joined: Feb 2008

Posts: 10,977

Likes: 5

From: Lancaster, Pa.

Man, last year we were on the black out the tree huggers and the coal rolling thing and now we're responsable light pedal heads this year, what a year can change. Not bashing, just an observation.

Anyways, I drive my truck responsable and if I need to get out of a tough jam and hit it, its beltching something with no regret.. carry on gents.....