Is there a link to the seller? I cant seem to find them.
Cheers Jezz
Ok so how much would yas expect to be a normal amount of oil for one of these catch cans have in it after about 2000-2500kms of mostly highway driving?? For a zd30 d22 that is.
Inspect the outlet - it has a flow direction indicator on it. There are several reasons the inlet is on the side and the outlet on top;
-oil is heavier than air - it will fall down from the inlet, and not up to the outlet. If hooked up in reverse, oil can enter the top and fall down past the suction of the side opening - this has the very real possibility of reducing the effectiveness of the system.
-the inlet is aligned to provide a degree of cyclonic effect, "flinging" oil out against the walls of the separator (improving the oil separation effect)
-the external face of the filter has a greater surface area than the internal face (if only small difference)
I have done the same as you - attached a plugged hose to the drain. No indication of anything in the hose yet.
There are no "off the shelf" reducers in the correct size readily available. I used 3/4 and 5/8 fittings, with a coupler between them. Overkill, but works. Copper reducers should work perfectly well though.
I went down to a local house specialist and choose the closest size to fit the catch can and then used quality hose clamps around the smaller fittings and clamped it down until it was snug, figuring there wasn't enough pressure to cause any issues. The hose is oil resistant stuff and was happily reduced down with the clamps....
As for the drain I found a bolt that was slightly bigger then the bottom cut it to size with a grinder and while it was hot I threaded the bolt into the plastic slowly and made a great seal... Hopefully it works
If you use the inlet on the side it will trap the oil between the filter and housing of the filter, no oil will drain until you remove the filter,
As for cyclonic effect um well how much flow and pressure is in the pcv system ? Not enough to create a swirl.
I looked at a more expensive brand of filter and decided the inlet should be at the top and outlet on the side .
Results so far after 3500k is no oil on the outside of the filter nice covering on the inside and about 4 drops from the drain.
Either way stopping the crap getting re ingested by the engine is better than no filter.
Well just for fun went and washed the filter with prepsol holy crap some stuff came out , outside of filter was clean , very happy with the results
Not much, maybe 30m-50 ml.
Ok well I did an oil change last weekend after getting back from holidays as it was due to be done. There was about 120-130ml in the catch can.. which im guessing is due to there being more then 6.7litres of oil drained out of the sump (approx 7L) which the last oil change was part of a logbook service and carried out by a mechanic. No oil got through the filter was totally dry on the filter side (setup with "inlet" going to filter).
So ive made sure there is only 6.7litres in it now and going to keep an eye on the catch can every couple of weeks. Would the excess oil in the engine cause an excess in the catch can?
Bart
Over filling it would cause more to end up in the catch can. Cars with high kms would get more to, once the rings start wearing.
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