breather setup's

[cat007]

With regards to draining back into the sump, the catch can should then have 3 separate layers

Bottom layer would be where the water would end up

Middle layer would be for the oil and you'd put the sump drain in this section somewhere

Top layer would be for the steel wool and feeds

[Santa'sBoostinSleigh]

700ml of water is a shirt load lol

I would've thought you'd get about 100ml MAX every 3-5000km's

Not saying 700ml is bad - as I'm just guessing, but just seems like a lot

strange how much moisture comes out of a 4age,
my small port fills up the 250ml can every 5k,
and its never black oil, its really bad smelling brown jelly,

CarpetBurn's Silvertop does about 300-500mL/5000km ish
hers is watery brown slightly gunky crap, but virtually no oil

[Crucible]

Heres a pic of the breather setup I made up for my old 4agte.




I drilled a couple of holes in the top/rear of each cover and boxed in steel wool with - fittings tiged to the ends. I still found however the can used to fill up quite a bit at manfield etc, 1litre +. I had a line running from the bottom of the ccan just below the subframe with a bung so I could drain it, but as suggested above having a drain back to the sump with maybe a ballvalve etc would be a better idea.

[1I1]

I remember seeing a similar solution regarding filling up a catch can with oil during hard driving. Was in an Australian car magazine, the vehicle was a Nissan GTR and they had it set up where there was a small pump at the bottom of the can with a hose running back onto the dipstick tube with a switch in the cabin. At the end of hot laps or what ever they were using the vehicle for, when the engine was turned off then the small motor was flicked on and pumped oil back into sump. Obvious flaw is that dip stick would need to be stored in car etc so that you can check oil level but this could be easily adapted to suit

[~SlideWays~]

With regards to draining back into the sump, the catch can should then have 3 separate layers

Bottom layer would be where the water would end up

Middle layer would be for the oil and you'd put the sump drain in this section somewhere

Top layer would be for the steel wool and feeds

Not sure how that would work, water would sit on top of the oil and the issue is that head literally fills to capacity with oil so it comes out the breathers. Google it and there are heaps of articles recording the problem, even Toyota acknowledged the problem by adding the external oil drain on the last generation 16v 4age.

My set up is there to increase crankcase breathing capacity and to return oil to the sump of which the factory heads' oil drain can't handle.

[cat007]

Not sure how that would work, water would sit on top of the oil

You just failed at basic school science lol

How often do you hear of an oil slick on the bottom of the ocean

[~SlideWays~]

Not sure how that would work, water would sit on top of the oil

You just failed at basic school science lol

How often do you hear of an oil slick on the bottom of the ocean

Bahahaha I certainly did judging by that... long day at work today. What I meant is they do separate but how would you get the oil back into the sump with the three chambers idea?

EDIT: Adding to that, I suppose if you knew exactly how much water there would be then you could judge where to put the outlet for the oil, but thats in a perfect scenario. And I've never had any sign of water in the oil in my case even with no drain back.