Riffraff CCV Mod
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Cargo Master
Joined: Oct 2011
Posts: 2,873
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From: SoCal/Wyoming
Riffraff CCV Mod
Has anyone taken this mod and made a closed system out of it? I have one on the way and would like to make it a closed system but I would like to see pics of others that may have this system and created a closed system instead of having the open hose. I know "a California thing" but the smog police will only allow a closed system here. Thanks for your time...
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Cargo Master
Joined: Oct 2011
Posts: 2,873
Likes: 768
From: SoCal/Wyoming
Figured I would just put on the mod in a few days when it arrives and have something setup by my next smog check. Just had it done last month so I am good for some time but I want to get this done sooner than later. I have seen systems that tie into exhaust but I will keep looking for RR mod kit photos that have done this.
Lead Driver
Joined: Jan 2007
Posts: 6,708
Likes: 5
From: Kiowa CO
I've made CCV traps for people in the past that routes back into the intake. All you need to do is leave route from the doghouse to the trap and loop it back.
Here's what the trap looks like. Normally the grey hose inlets are on opposite sides when the trap is set up to vent to atmosphere.
Here's what the trap looks like. Normally the grey hose inlets are on opposite sides when the trap is set up to vent to atmosphere.
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Cargo Master
Joined: Oct 2011
Posts: 2,873
Likes: 768
From: SoCal/Wyoming
Thanks for the info, I guess my biggest issue is finding a pic of how it's routed back in and where it's connected. I can make something if I can find a good clear pic of it. I can use the RR mod and then place a trap at the end of the hose like this, just not sure exactly where it ties back into
Lead Driver
Joined: Jan 2007
Posts: 6,708
Likes: 5
From: Kiowa CO
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Cargo Master
Joined: Oct 2011
Posts: 2,873
Likes: 768
From: SoCal/Wyoming
This might be a dumb question but are you basically routing it back up and connecting to the original inlet that was used before turning the dog house around 180 degrees?
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Lead Driver
Joined: Jan 2007
Posts: 6,708
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From: Kiowa CO
Yup, you got it.
Postmaster
Joined: Dec 2010
Posts: 2,951
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From: Gary,Indiana
Here is the problem I see with RR ccv kit and you wanting it to be able to be smog test ready. RiffRaff kit comes with a tube that you replace the stock intake tube. Stock has a port so you can tie it back into the intake but RR doesn't. If you keep the stock tube and put a cap on it you could then always just tie it back in when you need to test.
I myself went with a home made catch can and have it plumbed like stock. I will say it helps but I still get alittle oil in IC pipes. Down the road I am going to build another catch can with a better design with should catch even more oil before going back into the intake. I used a clear hose so I can see how oily it gets and now after about 15k the clear tube has some oil in it. I catch about 4ozs per 5k miles.
I myself went with a home made catch can and have it plumbed like stock. I will say it helps but I still get alittle oil in IC pipes. Down the road I am going to build another catch can with a better design with should catch even more oil before going back into the intake. I used a clear hose so I can see how oily it gets and now after about 15k the clear tube has some oil in it. I catch about 4ozs per 5k miles.
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Cargo Master
Joined: Oct 2011
Posts: 2,873
Likes: 768
From: SoCal/Wyoming
Thanks for the pic. I need to build a catch for it and also purchase an addition piece of tubing and I should be able to work this out. I figured I would flip the DH, run the pipe as directed to can then run the second line back up to where the original line entered the intake to tie the system together. Just need to decide on proper size of can and placement.
Postmaster
Joined: Dec 2010
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From: Gary,Indiana
Dan I used the copper scrub pads also in mine. But the next one I make I am going to use SS scrub pads and add 1 or 2 baffle plates at the top to help deflect some of the oil from getting out of the catch can. Now adding the baffles is something I have seem in the store bought type of catch cans, some have holes drilled in them and others had slits in the baffles. Now I know alot of guys put the catch can under the truck but I put mine where I did so the oil would run back down hill into the catch can or doghouse. The next catch can will also have the lower fitting to the doghouse at the bottom of the catch can so that most oil will then just run back into the doghouse. That way I should retain less oil in the catch can. Just to give you a few more ideas to kick around.
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