Pluses and Minuses: CCV Mod
Cargo Master
Joined: Feb 2005
Posts: 2,837
Likes: 1
I agree with Rick. I haven't done it because I don't want that smell emanating from my truck. If you clean your engine bay even half-way regularly (like once a year), the buildup of oily residue is not a problem.
Laughing Gas
Joined: Oct 2009
Posts: 831
Likes: 2
From: Vacaville, CA
This is the problem...
It's not legal to do. Since you live in a state that does smog checks you'll have to return it to stock for testing. You also run the risk of getting pulled over. I live in a bigger city and kind of found it embarrassing to be sitting at a light and have smoke come out from under the the truck. I returned mine to stock. I just check my boots every oil change and wipe down the engine.
Cargo Master
Joined: Feb 2010
Posts: 2,298
Likes: 94
From: Delta, CO
While I agree with that, I don't believe it hurts anything to run the vent to a catch can & back to the intake. I for sure don't want it vented to the atmosphere with the smell & comments at lights "hey your trucks smoking or leaking"...lol
Hook it, I'll pull it.
Joined: May 2007
Posts: 15,037
Likes: 4
From: Grand Lake, La.
I don't think doing the CCV mod cleaned your engine like that. Like said, just clean the engine once a year and you will not have a problem.
Cargo Master
Joined: Mar 2006
Posts: 2,502
Likes: 2
From: Bend Oregon
I've run both, first w/o CCV mod then with CCV mod for 4 or so years now back to stock. I got tired of the smell and smoke so I switched back and almost instantly my engine bay was filthy. I drive over 1k mikes a week so my engine filthyness level may elevate quicker than some. I hand track mileage and never saw a difference....I wasn't expecting to either.
Laughing Gas
Joined: Oct 2009
Posts: 831
Likes: 2
From: Vacaville, CA
Just showing how clean it keeps my engine bay now.The dirty pics were taken about a year after I did my foil delete, at which time I cleaned all that crap up. Been running the ccv mod for about 4 months now and don't see a spot of oil in there. Even when pulling the intake or IC pipes, seeing no oil inside either.
I'm not saying do it or don't, personally though, I'd rather spend my free time drinking beer and hanging by the pool than cleaning crud off my motor.
Hook it, I'll pull it.
Joined: May 2007
Posts: 15,037
Likes: 4
From: Grand Lake, La.
I hear you chris. I don't get much blow-by when I take the oil filler cap off, so that may make a difference.
I'm like you with the beer, but I don't have a pool so I hang in my shop with the hood of my truck open and play with things. lol All good.
I'm like you with the beer, but I don't have a pool so I hang in my shop with the hood of my truck open and play with things. lol All good.
Hook it, I'll pull it.
Joined: May 2007
Posts: 15,037
Likes: 4
From: Grand Lake, La.
You have a good looking engine bay, Chris. Quite a few people are taking the time to clean theirs up. Rep gods got me. 
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Laughing Gas
Joined: Oct 2009
Posts: 831
Likes: 2
From: Vacaville, CA
If I had a nice shop area, I might split the time between pool and shop
Definitely envious!Even though my ccv mod keeps things less oily inside, I do still give it a quick once over with a rag, just to keep the dust off. Amazing how much easier it is to work on and diagnose with a clean motor.
Posting Guru
Joined: Dec 2007
Posts: 2,290
Likes: 2
From: SEMO
I also did a closed loop on my CCV mod.Valve cover,to catch can,back to intake tube.No bad smell,and I drain the catch can about once a month.
Cargo Master
Joined: Jun 2010
Posts: 2,771
Likes: 3
From: Louisiana
Corey is a lil more into these engines and he was the only person that had ever mentioned build up from the ccv in the intake valves and such. As for innercooler I've heard some who have cleaned it and got a lil oil out and Jody told me once he had a guy drain his and got a quart or so. I have the upgraded boots on my truck and it stays clean with no ccv mod. My opinion welcome or not is I would like to see no oil running through the intake regardless if it makes my boots and pipes dirty. I don't want the oily coating holding on to extra heat and build up in the valves. A filter seems to be the closest thing to accomplishing this and maintaining a closed system. The other option I considered was routing it in the exaust but seems like bad things could come from that. Right now I'll leave it stock!
Lead Driver
Joined: Jun 2003
Posts: 8,298
Likes: 25
From: Damon (South East Texas)
I removed the stock IC, and later a 6.0, and stood them on end. I left them like that for a week and got less than 1 "tablespoon" of oil from each one. My truck had the stock CCV for the first 100k miles and then the modified one with catch can for the next 80k. I see a little oil in the pipes when removing them, but no leaks at any of the connections. That seems to be good enough for me.
Cargo Master
Joined: Jun 2010
Posts: 2,771
Likes: 3
From: Louisiana
You know, now that I think about it, if you get ahold to a truck that looks like that chances are the service might not be up to par. Just saying if you've got someone who never checks his air filter and it gets clogged, your bound to start siphoning some oil out the crankcase. Just seems in the past where I go look at a truck to buy, under the hood is all dirty, check the air filter and what do you know, chock a block full. Rick is not the kind of guy to let his filter get clogged so maybe that's why he has less issues. Same thing for Roland. Just calling them out cause I know em a lil more than I know the rest of you!