CCV Mod Hose Diameter?
Thread Starter
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Junior User
Joined: Jun 2005
Posts: 82
Likes: 2
From: Okanogan, WA
CCV Mod Hose Diameter?
What Diameter hose is needed for the CCV Mod? I have 30+ feet of blue silicone heater hose that's been laying around in my shop forever. I might have finally found a use for it if it fits. It's 5/8" I/D. Will this work??
Thanks Much!
Thanks Much!
Post Fiend
Joined: Jul 2005
Posts: 14,582
Likes: 12
From: 21791
i used 1/2'' ID/ 1'' OD heater hose. it works well, since the ID of the 90* boot is 1''. it just fit in there nice. what you can do, is shave some off the outside of the hose, and stuff it into the elbow and superglue it like i did. i have pics of it in my gallery.
Fleet Mechanic
Joined: Aug 2003
Posts: 1,780
Likes: 98
From: Phoenix, AZ
If you want to avoid super gluing, etc, you'll need a 3/4" ID hose if you want to attach it to the tube exiting the breather on the valve cover.
Copy and paste link:
http://community.webshots.com/photo/187520863IhSuaG
I'd suggest reversing the breather and have it facing the firewall. Makes for a neater hose run.
Copy and paste link:
http://community.webshots.com/photo/187520863IhSuaG
I'd suggest reversing the breather and have it facing the firewall. Makes for a neater hose run.
Last edited by HeatStroked; Dec 13, 2005 at 05:09 PM.
Postmaster
Joined: Jun 2005
Posts: 3,438
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From: New Hampshire
Originally Posted by taylormade99
What Diameter hose is needed for the CCV Mod? I have 30+ feet of blue silicone heater hose that's been laying around in my shop forever. I might have finally found a use for it if it fits. It's 5/8" I/D. Will this work??
Thanks Much!
Thanks Much!
Thread Starter
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Junior User
Joined: Jun 2005
Posts: 82
Likes: 2
From: Okanogan, WA
Thanks all. Sounds like I've finally found a home for all that hose! I'll certainly take your advice and reverse the housing. It sounds like the 5/8" will work with a little elbow grease to fit it on the 3/4 in outlet. Does anybody have any suggestions for plugging the fitting on the intake tube support thing? Should I cut away the little inlet that sticks up into the intake tube support thing?
Thanks again!
Thanks again!
Hotshot
Joined: Jan 2002
Posts: 17,988
Likes: 207
From: La La Land
Go to the muffler shop and get 3-1/2 inches of 4-inch diameter muffler pipe. Replace the entire plastic piece with it.
Much better cross-sectional area, thus better flow.
By the way, that's REAL nice heater hose with which you're going to pass the blowby.
Pop
Much better cross-sectional area, thus better flow.
By the way, that's REAL nice heater hose with which you're going to pass the blowby.
Pop
Last edited by SpringerPop; Dec 13, 2005 at 05:48 PM.
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Thread Starter
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Junior User
Joined: Jun 2005
Posts: 82
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From: Okanogan, WA
Originally Posted by SpringerPop
Go to the muffler shop and get 3-1/2 inches of 4-inch diameter muffler pipe. Replace the entire plastic piece with it.
Much better cross-sectional area, thus better flow.
Pop
Much better cross-sectional area, thus better flow.
Pop
I'm in business. Thanks much!
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Fleet Mechanic
Joined: Aug 2003
Posts: 1,780
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From: Phoenix, AZ
Be careful when cutting the exhaust tubing. Depending upon the gauge of the tubing, it will distort and become out of round which can cause a potential boost leak if it doesn't clamp to the tube securely.
Senior User
Joined: Oct 2005
Posts: 339
Likes: 5
From: St. Louis, MO
Time for another stupid question: I see the CCV mod mentioned and listed often, I've searched the past articles and found tons of stuff on how to complete the CCV mod. But what the heck is the purpose of the CCV mod? What is the benefit over the stock setup? What the heck is a CCV?
Thanks from "the ignant one"
Thanks from "the ignant one"
Fleet Mechanic
Joined: Feb 2005
Posts: 1,797
Likes: 1
From: Northern Colorado
CCV - Crank Case Ventilation The CCV mod reroutes the oil mist from the CCV hood to the atmosphere rather than sending it into your intercooler system and making a mess of the boots and potiential blowing off of one of the boot connectors during high boost conditions.
Fleet Mechanic
Joined: Aug 2003
Posts: 1,780
Likes: 98
From: Phoenix, AZ
Besides removing oil form the intercooler and pipes, the stock CCV itself is a major restriction on the intake. The vent bridges the tubeand causes about 20% restriction.
There is a picture of the stock CCV in this album.
Copy and paste link:
http://community.webshots.com/photo/187520863IhSuaG
There is a picture of the stock CCV in this album.
Copy and paste link:
http://community.webshots.com/photo/187520863IhSuaG
Thread Starter
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Junior User
Joined: Jun 2005
Posts: 82
Likes: 2
From: Okanogan, WA
Originally Posted by Kwikkordead
I priced some for a customer yesterday: $10.00 foot at NAPA. 
It was given to me a year or so ago by a friend who used it when he was assembling his kitfox airplane. I'm not sure exactly what the application was, but he bought WAY too much and just handed it to me when he was done. I didn't realize the price of the stuff!! ($10.00 per foot!!). I probably should have given him my first born! Maybe I'll just buy him a beer.
Hotshot
Joined: Jan 2002
Posts: 17,988
Likes: 207
From: La La Land
You might consider using any you have left over to replace the heater hoses on your truck. They will NEVER wear out.
The stuff is available in most standard sizes, at VERY un-standard prices, and the OTR gang uses it a LOT!
Pop.
The stuff is available in most standard sizes, at VERY un-standard prices, and the OTR gang uses it a LOT!
Pop.