EGR deletion
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Postmaster
Joined: Feb 2006
Posts: 3,201
Likes: 4
From: waynesville, mo.
EGR deletion
I'll give you one to have fun with........In stock configuration (remember, stock configuration), there's no reason to delete the egr system. Now, respond wisely, think like a doctor, treat the cause, not the symptom.
Cargo Master
Joined: Mar 2007
Posts: 3,103
Likes: 32
From: AB/BC
The way I see it is the biggest problem with the egr system is the egr valve gums up with soot caused by excessive idling or crappy fuel.So don't idle the truck and burn good fuel and you shouldn't have a problem with the egr valve sticking open.As for cooler failure I am under the impression that the cooler over heats with poor coolant circulation caused by a blocked oil cooler which causes the joints in the cooler to crack causing a leak.So if the coolant is casting sand free that shouldn't be a problem. But I am a bricklayer not a tech so I will wait for the teacher to provide the correct answer.
Cargo Master
Joined: Mar 2007
Posts: 3,103
Likes: 32
From: AB/BC
The casting sand left from production is the culprit. Some trucks have it worse than others if I were you I would put a by pass filter on or you risk the same problem in the future.My truck has no sign of sand and a friends has sand in the coolant bottle.
Jäger
Joined: Jan 2005
Posts: 5,491
Likes: 5
From: Northern Arizona
You don't have to delete the EGR. As brickie posted, you can install a coolant filter to avoid EOC blockage. You could also clean the EGR valve every 5K or 10K depending on usage and idling time. Then again, welding it shut and unplugging isn't technically deleting it.... 
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Elder User
Joined: Oct 2004
Posts: 585
Likes: 1
From: Ct.
I think I saw a thread saying that by unpluging the egr the truck will go into some kind of safe mode for EPA reason. Not sure on that. I got emission test comeing up so mine is plug in. Will see.
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Thread Starter
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Postmaster
Joined: Feb 2006
Posts: 3,201
Likes: 4
From: waynesville, mo.
When the egr valve is unplugged, the vgt goes into default (the vanes are set at one spot). At low speed, the vanes are set for more boost than normal, but at higher rpms, it has less. Thats why it seems to have more power. When the vanes are at default, there is more chance that they will rust in place as well.
Jäger
Joined: Jan 2005
Posts: 5,491
Likes: 5
From: Northern Arizona
Interesting Vince! I've not disconnected the EGR valve nor done the vaunted CCV mod to my 6.0. Got head studs and a coolant filter though. 
This should be interesting..
.. if everybody keeps it civil. 
This should be interesting..
.. if everybody keeps it civil.
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Postmaster
Joined: Feb 2006
Posts: 3,201
Likes: 4
From: waynesville, mo.
Lets start with the CCV, because, in everyones opinion, its related to the oily deposits on the egr valves. Ask your favorite tech how much he uses his magnahelic (SP?) guage. Chances are he doesn't know if the dealership has one. Its a guage set, with several guages on it. One measures (with an adapter) blow by. If you're getting excessive oil in your CCV, this needs to be measured for problems (and yes, there is specs on that). Doing the CCV mod is like taking an aspirin for a toothache, it feels better, but the problem is still there.
Jäger
Joined: Jan 2005
Posts: 5,491
Likes: 5
From: Northern Arizona
I thought the purpose of the CCV mod was to prevent an oily coating from building up on the inside of the intercooler.
I've not taken my intercooler tubes off to look inside and see if there is any oily buildup so I have no idea if this could be an issue or not.
I did look at the inside of the intake elbow and it's dead bone dry.
I've not taken my intercooler tubes off to look inside and see if there is any oily buildup so I have no idea if this could be an issue or not.
I did look at the inside of the intake elbow and it's dead bone dry.
Cargo Master
Joined: Mar 2007
Posts: 3,103
Likes: 32
From: AB/BC
When the egr valve is unplugged, the vgt goes into default (the vanes are set at one spot). At low speed, the vanes are set for more boost than normal, but at higher rpms, it has less. Thats why it seems to have more power. When the vanes are at default, there is more chance that they will rust in place as well.