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Unread Yesterday, 07:40 PM   #1
jimcrd
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2008 WK 
 
Join Date: Jul 2014
Location: longwood, fl
Posts: 3
Elephant hose mod

I just did the elephant mod on my 08 GC CRD via the posts on the site. I used 1" rubber hose. Has anyone who has done the mod had to change the hose due to breakdown? I had read using silicone hose would be better but I took the path of lower $$$.

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Unread Yesterday, 08:32 PM   #2
joe989
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2008 WK 
 
Join Date: May 2014
Location: ottawa, ON
Posts: 32
Ive read a bit of this elephant hose mod thing, I'm not convinced it's a good idea, for some people they dislike the smell, I used to drive an 06 cummins that vented to atmosphere and smelled like a refinery when it was hot, my gf didn't appreciate it, but I liked the smell. My real cause for concern is that pcv vents into the turbo, which actually makes a negative pressure in the line, venting it straight to atmosphere will result in a higher crankcase pressure and putting a higher load on crank seals etc... Quite honestly I think the best mod would the GDE tune which turns off the EGR preventing sooting of the intake manifold which is the real problem here, not the oil in it. That and I dont want to have to worry about the damn plug by the turbo coming off and sucking in unfiltered air, or worse the plug gets sucked into the turbo.
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Unread Yesterday, 10:02 PM   #3
The_Admiral
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2007 WK 
 
Join Date: Apr 2014
Location: Tyler, Tx
Posts: 83
Quote:
Originally Posted by joe989 View Post
Ive read a bit of this elephant hose mod thing, I'm not convinced it's a good idea, for some people they dislike the smell, I used to drive an 06 cummins that vented to atmosphere and smelled like a refinery when it was hot, my gf didn't appreciate it, but I liked the smell. My real cause for concern is that pcv vents into the turbo, which actually makes a negative pressure in the line, venting it straight to atmosphere will result in a higher crankcase pressure and putting a higher load on crank seals etc... Quite honestly I think the best mod would the GDE tune which turns off the EGR preventing sooting of the intake manifold which is the real problem here, not the oil in it. That and I dont want to have to worry about the damn plug by the turbo coming off and sucking in unfiltered air, or worse the plug gets sucked into the turbo.
Right with ya buddy, I moded my Ele hose, the smell then made me nauseated, and then I stressed about the plug sucking into the turbo. I'm fixing to replace the hose and EGR hose.so I changed it back. Never thought about the higher pressures.
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Unread Today, 07:06 AM   #4
jimcrd
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2008 WK 
 
Join Date: Jul 2014
Location: longwood, fl
Posts: 3
El mod

I purchased the aluminum plug from the engineering company in one of the threads. It arrived in a week and fit perfectly...Cost about $20.00
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Unread Today, 11:29 AM   #5
TangoTango
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2008 WK 
 
Join Date: Oct 2011
Posts: 1,012
The better way to go is use th marine grade reinfoced hose and pipe it back into the exhaust pipe on the 45 degee angle. This is what they do on the marine diesel engines. There was a write up last week on it.
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