ccv mod vote
Lead Driver
Joined: Sep 2005
Posts: 9,399
Likes: 188
From: Norco,CA
My lone vote is for the CCV into the exhaust. I've heard everything from 1psi overpressures are going to blow seals to claims that the exhaust is corrosive and will go backwards through the hose and into your valve cover. Well today we're going to pull that valve cover and see what it looks like in there after more than 100,000 miles in this configuration. I do occasionally see a little vapor blowing by the truck, but it's coming out the exhaust pipe. I KNOW everybody thinks it's a bad idea (mostly based on testimony of theory and loosely based on pressures measured without load), but those who have done it in mild climates have had a lot of success with it.
I for one love it and will be sorry to see it go back to stock when I have to make my first smog appointment ever, in my life, for anything. Probably will put it back in the exhaust though. Today's exploration will largely determine it's ultimate fate. Pics to follow.
Here's the config.
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I for one love it and will be sorry to see it go back to stock when I have to make my first smog appointment ever, in my life, for anything. Probably will put it back in the exhaust though. Today's exploration will largely determine it's ultimate fate. Pics to follow.
Here's the config.
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Lead Driver
Joined: Jan 2007
Posts: 6,708
Likes: 5
From: Kiowa CO
Senior User
Joined: Dec 2010
Posts: 400
Likes: 0
From: Knoxville, TN
Go to any exhaust shop and ask for it. If they don't just give it to you, they won't charge you more than a couple bucks. It'll be cheaper than shipping charges.
Senior User
Joined: Aug 2004
Posts: 327
Likes: 0
From: Los Angeles
I'm definitely doing it. My intercooler boot has a hole in it and is spraying oil mist all over my engine. I don't care how oil-resistant the new boots are, I'm not risking this crap ever again. Plus at higher boost pressures the boots have a hard enough time staying on the tubes without being coated with oil.
I'm running a 3/4" hard line from the firewall to the rear of the cab to prevent puddling in the tube. Has anyone ever tried running a hard line up against the exhaust to help burn off some vapor and/or keep the SOS pad filter from freezing in cold weather?
I'm running a 3/4" hard line from the firewall to the rear of the cab to prevent puddling in the tube. Has anyone ever tried running a hard line up against the exhaust to help burn off some vapor and/or keep the SOS pad filter from freezing in cold weather?
Lead Driver
Joined: Jan 2007
Posts: 6,708
Likes: 5
From: Kiowa CO
Honestly, I've never had any issues with my SOS pads. I've recently started using the plastic ones verses the copper ones when I built the traps for members because they are easily available and just as efficient. They are porous enough to not get gummed up. I'll take a pic of my scrubber pads today and post them. It's been a few years since I've installed my trap and never had any freezing issues in either the line nor the trap.
Logistics Pro
Joined: Aug 2005
Posts: 3,884
Likes: 180
From: Morgan Hill, CA
I think we can finally put to bed the "speculation" that corrosive gasses will be forced back up the CCV hose into the valve cover if routed to the exhaust. I pulled my valve cover after well over 100,000 miles on this mod. What did I find? Beautiful clean parts with a light covering of oil. No soot. No corrosion. Nothing to suggest that exhaust gas EVER gets pushed back up the hose.
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Hotshot
Joined: Jul 2008
Posts: 12,782
Likes: 2,142
From: N.GA Mountains
I did it and I hated it - it STINKS. There is no measurable benefit. Even if you 100% eliminate this tiny amount of oil there will always be some in the CAC. Upgrade to Riffraff boots and CHECK for leaks and the 'oily boots' go away.
Besides, a little oil can't hurt the turbo and God forbid could trap some debris in the event of contaminated air!
Whats the point?????
The boots with a hole in them were not just because the OE boots 'aren't compatible' with oil - that claim was overblown by the first people selling 'aftermarket' boots. They are thin and more susceptible to wear than Clays boots though.
Besides, a little oil can't hurt the turbo and God forbid could trap some debris in the event of contaminated air!
Whats the point?????
The boots with a hole in them were not just because the OE boots 'aren't compatible' with oil - that claim was overblown by the first people selling 'aftermarket' boots. They are thin and more susceptible to wear than Clays boots though.
Logistics Pro
Joined: Aug 2005
Posts: 3,884
Likes: 180
From: Morgan Hill, CA
Yep. They were replaced with new Alliant Power ones about 150,000 miles ago.
Laughing Gas
Joined: Feb 2004
Posts: 1,080
Likes: 1
From: Elsinboro, NJ
I'm torn on the idea. I'm getting ready to do a non wastegated housing and deleting the epbv with a new pedestal. I just pulled my intercooler pipes and painted them. Yes there was some oil residue in the pipes but not nearly as bad as I would expect reading some posts. Here is my other thought..... Are the guys doing this mod taking the intercoolers out of their trucks and flushing them out? It seems to me that the oil would puddle at the lowest point (bottom of intercooler). So to me the idea of the mod removes future oil from being introduced into the system but what a out the trucks that have 100+ thousand miles of oil in the intercooler. Wouldn't that just be redistributed throughout the system? This is why I haven't done it yet nor am I certain I will. To me a little lube on the turbo is ok with me.
Matter of fact I just watched a show today that advertised an additive to engine oil to help it make it to the turbo..... I already have that. Lol
Matter of fact I just watched a show today that advertised an additive to engine oil to help it make it to the turbo..... I already have that. Lol
Cargo Master
Joined: Jun 2010
Posts: 2,771
Likes: 3
From: Louisiana
Like I said I don't have a mess since I went with clays boots but how much oil is collecting in the cooler? Unless there is enough air flow to clean it out it seems like it would fill up over time and collect heat. Not sure though. Surly someone has pulled their innercooler off after 200,000 miles and has seen! Anyone?
Hotshot
Joined: Jul 2008
Posts: 12,782
Likes: 2,142
From: N.GA Mountains
Like I said I don't have a mess since I went with clays boots but how much oil is collecting in the cooler? Unless there is enough air flow to clean it out it seems like it would fill up over time and collect heat. Not sure though. Surly someone has pulled their innercooler off after 200,000 miles and has seen! Anyone?
After being tilted on end for WEEKS there was a puddle that was easily wiped up with a couple shop rags. That was after having a crack/hole in a piston - can you say 'blow-by'?When I pulled (new) engine again a year later I tipped it up again and low and behold - MORE oil came out. Not much, but it obviously didn't all drain out the first time.
