have you checked the lines after the can, are there any oil residue in them?

 

I think I figured out the solution, I'm going to try it tomorrow

I'll stuff some steel wool inside the can to aid vapor collection and put Activated charcoal inside the vent filter to capture any remaining smell coming out of the filter.

 

Nope, no oil in the return line...

 

what can are you running and how is your plumbing routed?
Did you route both vapor lines into the can or just one?

 

try filling your can with stainless steel pot scrubbers. That give something (lots of surface area) for the oil to coalesce on and drip to the bottom. There are also oil vapor separating air filters.


http://www.lingenfelter.com/mm5/merc...6#.VM-hAWxAReU

 

Even when I was running the cheap Home Depot catch-can the one thing Dave O and I discussed was using hoses the were substantial enough to maintain the pressure which was also mentioned in the DIY threads. Of course I bought Gates safety stripe CS1012C6 which was major over kill, but never a worry about collapsing...Gary

 

collapsed house indicates there is vacuum in it, which means that not all vapor is settled in the catch can.
Higher strength hose simply indicates that it can stand up to the vacuum, but it does not reduce the oil vapor still getting in to the plenum.

 

Thanks for that suggestion

I completely forgot about those things.
They seem to be a much better medium for vapor catch.

I got my catch can modified, actually turned out pretty nice.
I bought stainless steel pot scrubbers suggested by Texasscout and some activated carbon for fish tank filters. I was able to stuff half of the pot scrubbers inside the can and after I poured some carbon inside the filter I plugged the hole with rest of the scrubber to prevent small pieces of carbon from coming out and dropping inside the can.
Will go out on a test run today and report is the vapor smell has gone.
BTW the air flow through the carbon and the scrubber is not restricted at all.

 

Glad to report that most of the smell is gone, there is still slight hint of it under the hood and sometimes it creeps into the cabin, but I think new carbon cabin filter will take care of that.

 

So, what made you decide to go with the open air filtered catch can? The vacuum pulls in unmetered air and could possibly put your engine in open loop mode from what I understand of it. Not saying you're wrong, just I don't see how an open to atmosphere version could benefit over the closed system.

 

here is my logic behind it.

In both cases (front and rear vent lines) valve cover vents air while intake tube or plenum suck it in.
So there is no rick by venting the valve cover lines out since they vent air in the first place anyways. On the intake side I simply capped the previous intake ports and now only air that get's in to the engine is through the air intake.

So air is not getting sucked in through the vented oil catch can, it get's blow out of there. Before it was sucked in by the two lines going in to the engine air intake. Now those lines are capped and air gets in the engine only through the intake and vented lines vent outside instead of the engine intake like before

Reason I went with open is because there are reports that even if you do put a catch can on the line, due to the fact that there is vacuum in it (since air is still being sucked in to the intake) not all oil is being caught.
You would probably need a very efficient catch can to run closed system (and expensive)
Where as with open you can run an efficient or not and still have 100% of positive results.
Also with my setup I eliminated both of the lines. In most closed can cases people eliminate only one line and don't do anything about the other.

 

Quite possibly Joker that's why some closed catch cans come with vacuum gauges?
It doesn't B T, my C6 Corvette catch can keeps residue out of my plenum and collects oil which I empty twice a year. At the same time I clean my PVC valve, just for fun.
Gary

 

do you happen to know what's inside that can, do you have a cut out picture by any chance?

 

There's nothing inside the can Joker, you have an inlet and an outlet going to the PVC valve' I Goggled the C6 Corvette catch oil can, they don't show a cut away, they are on sale for $139...Gary

 

^there has to be some sort of mesh or something to condense the oil.