dellyend1
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| posted on 6/9/23 at 07:34 PM |
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Oil catcher is it worth it ?
Hello all, I have a 1.6 n/a Toyota engine from 1989 in my car and as bought it us the rocker cover breather pipe plumbed into an independent oil
catcher. Now I know that recirculating the vented gas/ moisture / oil from the rocker breather back into the manifold is not a good idea but is it
better / compliant with UK regs to just use a rocker breather filter to air the cover gases rather than feed into the oil catcher. It’s a little bit
of a faff to empty the catcher etc
Thanks in advance
[Edited on 6/9/23 by dellyend1]
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adithorp
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| posted on 7/9/23 at 09:30 AM |
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Just a breather/filter open to atmosphere tends to be messy. A good proportion of the oil you currently have to drain from the catch tank, will be
deposited around the engine/bay from the filter.
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coyoteboy
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| posted on 7/9/23 at 09:52 AM |
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Can't speak for your engine, but I put a baffled, metal foil filled catch can on a 3SGTE PCV output, and the only time it caught any significant
amount of oil was when I blew a ringland. The rest of the time it gathered about 5ml per oil change. I concluded I did not give two hoots about this
little oil and routed it back to the intake. Don't go vent-to-atmosphere though, this is a performance degradation as you won't be applying
a vacuum to the crankcase so you'll have increased windage losses and higher pumping losses. PCV is another good thing that well meaning folk
remove thinking that it's emissions evil.
[Edited on 7/9/2023 by coyoteboy]
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