Best Air to Oil Separator Catch Can?
I did run a can inline at first. Routed some hoses in the can to help baffle and then stuffed it full of copper SOS pads to keep the mist in check. They can was super heavy though, made of some crazy (3/8”?) thick 4” alum alloy stock material. Anyway, ran it that way for alot of street miles and the can always had water only in it. It was nice, but I couldn’t justify the weight and ugly lines running all over so I pulled it. (Still have it if anyone is interested $30 shipped)
I did order 2 light weight, thin wall, alum 750ml cans for each side. (or maybe in series) Once they get here, I’ll build up some baffles and a vent and run them both with the new straight 4” downpipe. Should pull vac under boost then.
Hey mighty mouse, would it be advantageous to run an inline check valve (PCV valve) with the filter on the top of the catch cans? That way you would have a sealed system pulling a much higher crank case vacuum under idle and cruise? Then under boost the cans could still vent?
Last edited by Forcefed86; Jul 31, 2013 at 09:42 AM.
a pcv valve is a check valve in one direction, and a flow regulator in the other.
if you are talking about hooking to the intake, then you are talking about the normal way to get pcv, and the way my cans are set up.
except if you just put an open element on the top you will lose all your vacuum to the breather... at this point i would driect you to my sig
if you are talking about hooking to the intake, then you are talking about the normal way to get pcv, and the way my cans are set up.
except if you just put an open element on the top you will lose all your vacuum to the breather... at this point i would driect you to my sig
a pcv valve is a check valve in one direction, and a flow regulator in the other.
if you are talking about hooking to the intake, then you are talking about the normal way to get pcv, and the way my cans are set up.
except if you just put an open element on the top you will lose all your vacuum to the breather... at this point i would driect you to my sig
if you are talking about hooking to the intake, then you are talking about the normal way to get pcv, and the way my cans are set up.
except if you just put an open element on the top you will lose all your vacuum to the breather... at this point i would driect you to my sig
The exhaust evac kits pull a tiny amount of vacuum compared to a system plumbed into the intake or turbo inlets. (usually like .3-.5inhg) So they have issues pulling through any kind of restriction. (pcv or check valves in the stock location) So if I put the can inline with my exhaust evac and a check valve under the filter on the can it wouldn’t cause any restriction in vac but would still allow boost to vent out of the crank case if the exhaust evac couldn’t keep up.
thanks, not bad for a freebie site.
the pcv valves i use seal in boost. anyone who replaces a pcv valve with a check valve now has nearly unregulated vacuum going to the crank case, will likely have related problems like transferring oil to the intake, or more than before, and a squealing sound as air enters the engine via front and rear main seals or similar.
I ran a check valve in line with my pcv valve until i finally found one that suited both needs.
you can definitely hook exhaust vac and intake vac to the same can. I would make sure the fitting on the exhaust can handle possible suction from the intake side without leaking / allowing exhaust to come into the can / intake
the pcv valves i use seal in boost. anyone who replaces a pcv valve with a check valve now has nearly unregulated vacuum going to the crank case, will likely have related problems like transferring oil to the intake, or more than before, and a squealing sound as air enters the engine via front and rear main seals or similar.
I ran a check valve in line with my pcv valve until i finally found one that suited both needs.
you can definitely hook exhaust vac and intake vac to the same can. I would make sure the fitting on the exhaust can handle possible suction from the intake side without leaking / allowing exhaust to come into the can / intake
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