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PVC Catch Can

6K views 28 replies 13 participants last post by  jeepgcoman 
#1 ·
Im looking into a PVC Oil catch can for my jeep. I see ones for the LX cars and 6.1 SRT but not the jeep Hemi. Also, where could it be mounted? Does any one have one of these?
 
#2 · (Edited)
I've got one on each of my Hemi vehicles...Wk GCO and LX. I bought them from Billet Technologies. The one on the LX is a bolt on, but on the WK the intake airbox is on the opposite side. This means the stock LX one won't fit because in runs into the intake air tube. I mounted it to the strut support. It was easy to do and easy to remove the bowl, check and empty. All you need to do is drill a hole in the strut brace and find the right size/length metric bolt to go through the brace, two or three washers and one additional nut. One nut comes with the catch can. I believe the bolt was 2.5 in. long, but I don't remember the metric thread pitch. Notice I tightened the bolt to the brace and and screwed the catch can to the remaining end of the bolt using another nut as a jam nut to lock it in place.
 

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#3 ·
Great location I need to get one, That is on the hemi jeep?

Chris
 
#4 ·
I dont mean to hijack this thread, but what is a "Catch-Can" and what does it do?
 
#5 ·
Here is a copy / paste answer

Catch Can is designed to effectively separate oil from
the crankcase vapors, thereby eliminating all negative effects of excessive intake
system oil contamination. Our Catch Can has been engineered to remove the oil
vapor before it has a chance to contaminate your intake system.
 
#6 ·
Yes, ChrisWK, it is on an 06 Hemi GCO.

Gc4X4, BJBSRT8's post on the catch can's purpose is correct. You can see the contamination if you remove your intake silencer (tube) or CAI and expose the throttle body butterfly. With the key OFF, manually open the butterfly and shine a light into the intake plenum. First you'll see the back of the butterfly is all crapped up with caked on oil, and you may even see puddling in the plenum leading to the runners. All this crap is stopped from entering the engine with the installation of the catch can. I've had one on my Hemi LX for about 4 years and the worst it gets is a light fog (film) on the back of the butterfly now. I normally empty it at oil changes (6000 mi.), but higher speed driving tends to catch more oil. When I first put it on the WK without a new PCV valve, it filled the can in less than 3000 miles. Shows the importance of a good PCV valve, IMO.
 
#10 ·
The BilletTech catch can includes a bracket for the catch can to mount to the passenger side head. Works on both 5.7 and 6.1's. I have one on both of my Jeeps
 
#11 ·
Ekaz, I haven't seen that one. Do you have pictures?
 
#25 ·
The Srt8 and the regular WK have different strut bars.. would there be any issues mounting this catch can to a 5.7??
 
#16 ·
What about those little filters you can get at the auto store, do they work well? if you have a CAI, can you just use one of those little filters on the breather hose or is a catch can the best alternative? I don't know if the V6 would need a catch can or not,what do you think?
 
#17 ·
A V6 could use a catch can too and benefit just as much. You can get one of those little filters to put on the breather hose by the oil filler. I have one on mine. A catch can and the breather filter are 2 different things. The breather filter doesn't really do anything, the catch can stop oil vapr from getting back into your intake causing puddling of oil in the intake as well as oil vapor getting into the combustion chamber and possibly reducing power.
 
#18 ·
Installed today with 800 miles on the jeep. Got black anodized finish with braided hose and satin fittings. Mounted it to strut bar like in the picture. Kept the intake cover just cut out where the hoses go. Will post pics later
 
#20 · (Edited)
EKaz, it won't fit in the stock LX location because it does hit the intake tube. See my pix in Post 2 on where I ended up mounting mine. Easy to do and you can still keep the engine cover, without modification, if you desire.
 
#21 ·
Wow...I am confused as all hell


OK...so I saw on here a lot of guys put a filter over the PCV valve instead of the hose running from the intake nipple to the PCV. What exactly did I accomplish by doing that (other than IMO cleaning up the engine bay)? And does a catch-can have anything to do with this mod? I feel like a total tard right now as I cannot get all of these terms straight in my head. Please help HAHA

pic of what i'm talking about

 
#22 ·
Wow...I am confused as all hell


OK...so I saw on here a lot of guys put a filter over the PCV valve instead of the hose running from the intake nipple to the PCV. What exactly did I accomplish by doing that (other than IMO cleaning up the engine bay)? And does a catch-can have anything to do with this mod? I feel like a total tard right now as I cannot get all of these terms straight in my head. Please help HAHA
Adding a little filter makes it just a crankcase vent. When you keep the PCV plugged into the intake manifold, the air rushing through the IM helps pull air through the PCV. Some engines need this. I've heard of people using inadequately sized catch cans, which caused engine damage. I'm sure plenty of people use just a filter and are fine with it but I wouldn't risk it.

A catch can goes between the PCV and the IM and traps "blow by" (oil) that would have otherwise gunked up your IM.
 
#23 ·
So if I wanna get a catch can from Billet Tech, which bracket and other things do I need on my WK 5.7? I've been thinking about getting one lately but I didn't know who actually had one on their 5.7. I was looking at Diablosports, but they suck at not giving prices on their shit and I don't feel like having to go to one of their approved shops to find out I'm gonna get raped on a price.
 
#28 ·
I understand that I'll have to fab a bracket based off of what everyone's said, I guess what I shoulda asked is what all comes with the catch can from BT and I didn't know if I needed to worry about the Z bracket or whatever they have the options for.
 
#29 ·
You can check and see what comes with them here: http://www.billettechnology.com/, but when I got my last one about 6 months ago, it just came with the can and a jamb nut for the stock LX mounting position. The hoses were extra. Don't know if that has changed, but when I mounted mine on my WK strut brace, all I needed to do was drill a hole at the angle I wanted it to sit at, purchase a metric bolt and a second jamb nut. I see that Sanitarium16 above mounted his the same way I did (Post 2), but tightened his directly to the brace without the second nut. Bottom line is you can mount it any way or anywhere you want. Be as creative as you like.
 
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