How bad is crack?
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From: Hollister MO
How bad is crack?
I have a crack in my exhaust manifold. I have a new one but want to wait to I get the truck home to change it. IS it SAFE to drive the truck 300 miles home before changing the manifold?
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From: Mddl A MexCans
wouldnt think it would be too much worse than an exhaust leak and take it for what it's worth. The changing out the manifold is something your gonna wanna be home to begin.. or plan on a lot of cussing and throwing crap far from home lol
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Joined: May 2003
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From: south louisiana
Ditto, drive it home. And be ready to break off a few of the top bolts in trying to remove em. Best to heat the top "ears" first before trying to unscrew those bolts, you might just get lucky. Also be a good excuse to put headers on it.
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Joined: Jul 2002
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From: Long Island USA
Originally Posted by pintoches
How bad is crack?
The only thing you have to watch out for is CO (Carbon Monoxide) getting into the cab. Bad stuff.
Crack a window. If you get a headache, feel nauseous, or any other flu-like symptoms, pull over, get out and take a walk... It takes a long time for CO to get out of your blood, and it doesn't take much in the air to accumulate in your blood. Low levels, over time, will still screw you up.
Story: My '74 highboy w/390 was idling 15 feet away from the garage door. Garage filled up with CO, set off the alarm, it was at 650ppms. That's enough to KILL in 45 minutes. Red faced, I fell totally nauseous to the point of dry-heaves for the next 5 hours. Bad stuff. I was in it about 15 minutes.
Even at levels down to 50 or even lower, it will build up over time, and in hours can KILL you if you don't get out of it.
Be careful.
(Public safety message over)
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From: Mddl A MexCans
Originally Posted by krewat
I don't know, I've never tried it
The only thing you have to watch out for is CO (Carbon Monoxide) getting into the cab. Bad stuff.
Crack a window. If you get a headache, feel nauseous, or any other flu-like symptoms, pull over, get out and take a walk... It takes a long time for CO to get out of your blood, and it doesn't take much in the air to accumulate in your blood. Low levels, over time, will still screw you up.
Story: My '74 highboy w/390 was idling 15 feet away from the garage door. Garage filled up with CO, set off the alarm, it was at 650ppms. That's enough to KILL in 45 minutes. Red faced, I fell totally nauseous to the point of dry-heaves for the next 5 hours. Bad stuff. I was in it about 15 minutes.
Even at levels down to 50 or even lower, it will build up over time, and in hours can KILL you if you don't get out of it.
Be careful.
(Public safety message over)
The only thing you have to watch out for is CO (Carbon Monoxide) getting into the cab. Bad stuff.
Crack a window. If you get a headache, feel nauseous, or any other flu-like symptoms, pull over, get out and take a walk... It takes a long time for CO to get out of your blood, and it doesn't take much in the air to accumulate in your blood. Low levels, over time, will still screw you up.
Story: My '74 highboy w/390 was idling 15 feet away from the garage door. Garage filled up with CO, set off the alarm, it was at 650ppms. That's enough to KILL in 45 minutes. Red faced, I fell totally nauseous to the point of dry-heaves for the next 5 hours. Bad stuff. I was in it about 15 minutes.
Even at levels down to 50 or even lower, it will build up over time, and in hours can KILL you if you don't get out of it.
Be careful.
(Public safety message over)
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From: Hollister MO
Originally Posted by krewat
I don't know, I've never tried it
The only thing you have to watch out for is CO (Carbon Monoxide) getting into the cab. Bad stuff.
Crack a window. If you get a headache, feel nauseous, or any other flu-like symptoms, pull over, get out and take a walk... It takes a long time for CO to get out of your blood, and it doesn't take much in the air to accumulate in your blood. Low levels, over time, will still screw you up.
Story: My '74 highboy w/390 was idling 15 feet away from the garage door. Garage filled up with CO, set off the alarm, it was at 650ppms. That's enough to KILL in 45 minutes. Red faced, I fell totally nauseous to the point of dry-heaves for the next 5 hours. Bad stuff. I was in it about 15 minutes.
Even at levels down to 50 or even lower, it will build up over time, and in hours can KILL you if you don't get out of it.
Be careful.
(Public safety message over)
The only thing you have to watch out for is CO (Carbon Monoxide) getting into the cab. Bad stuff.
Crack a window. If you get a headache, feel nauseous, or any other flu-like symptoms, pull over, get out and take a walk... It takes a long time for CO to get out of your blood, and it doesn't take much in the air to accumulate in your blood. Low levels, over time, will still screw you up.
Story: My '74 highboy w/390 was idling 15 feet away from the garage door. Garage filled up with CO, set off the alarm, it was at 650ppms. That's enough to KILL in 45 minutes. Red faced, I fell totally nauseous to the point of dry-heaves for the next 5 hours. Bad stuff. I was in it about 15 minutes.
Even at levels down to 50 or even lower, it will build up over time, and in hours can KILL you if you don't get out of it.
Be careful.
(Public safety message over)
Senior User
Joined: Dec 2006
Posts: 225
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Art. That's big 10-4 on the carbon monoxide. I was driving down a country road and heard a bang. I though something fell off the truck. Turned arount to look for whatever. Didn't find it. Drove home and inspected the truck. The only explaination I could find is a now gap of less tan a half inch on the passenger's side exhaust manifold and y pipe. the other one was fine. But on this one the threads on the two nuts are gone because of the improper size. One of the two popped right off, was probably the earlier bang. The other nut had no thread which slipped about an inch and somehow goot stuck in the rust.
Truly had to fix the situation. The exhaust would ome into the cab via the blower and knock me out. It is quite difficult to maneuvre around the spot to tighten the bolts without removing the fender. I would fix this later-on when I change the engine. I opted a quick fix. I wrapped some thick tape and bought an epoxy tube specially to fix/patch leaky exhausts. Worked out fine, until I have to chizzle it off.
Tyl
Truly had to fix the situation. The exhaust would ome into the cab via the blower and knock me out. It is quite difficult to maneuvre around the spot to tighten the bolts without removing the fender. I would fix this later-on when I change the engine. I opted a quick fix. I wrapped some thick tape and bought an epoxy tube specially to fix/patch leaky exhausts. Worked out fine, until I have to chizzle it off.
Tyl
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Joined: May 2003
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From: south louisiana
Originally Posted by jowilker
Yall sure know how to make a thread wander. The man wanted to know if he could drive his truck home.
John
John
Drive his truck home? 
I just noticed the thread title for the first time "How bad is crack?"
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Joined: Jul 2002
Posts: 42,561
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From: Long Island USA
Originally Posted by jowilker
Yall sure know how to make a thread wander. The man wanted to know if he could drive his truck home.
As long as he's aware of the possibility of carbon monoxide getting into the cab, he'll be fine
Originally Posted by pintoches
Dont know about your trucks but my old fords are very drafty!