Crankcase Breather Help, Understanding the Breather Ports |
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Crankcase Breather Help, Understanding the Breather Ports |
mtc911 |
Apr 20 2020, 09:40 PM
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#1
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Member Group: Members Posts: 65 Joined: 18-March 18 From: Atlanta Member No.: 21,978 Region Association: South East States |
So, I have researched this one quite a bit and i cant seem to find the right answer. I have a “built” 2056 with Dual Weber Carbs. I “believe” it is a 1.7 Case with 2.0 Heads on it - not 100% sure there but the engine number seems to indicate that.
Anyway I have (2) the little Crankcase Breather Filters - one on the driver side and one on the oil fill (seen in the pictures). However there is nothing on the passenger side head. On the drivers side there is a T/splitter type thing that also pulls in a port out of the fan shroud. Obviously these little filters are making an oily mess in the engine bay - nothing too tragic but i would like to get rid of it if possible. I have been looking at the little Cans by Empi and Scat - that look like they would work. But I’m still kind of confused. 1 - Why would I have one of these on the Driver side Head and not the passenger side? 2 - If i install one of those cans should i route the port off of the fan shroud into it? I have read both yes and no on that question in my research. 3 - Will the can really even help reduce the oil in the bay? I have read yes and no on that question too 4- attached diagram is what i was planning to do with the breather box - is this correct? 5 - is there any downside to using one of these instead of the little cheaply filters? I have read a ton of posts on this in various forums and I cant come to a conclusion. Yet. Thanks |
mtc911 |
May 3 2020, 12:27 PM
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#2
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Member Group: Members Posts: 65 Joined: 18-March 18 From: Atlanta Member No.: 21,978 Region Association: South East States |
So, since the head vent was already there and i was getting kinda oily mess in the engine compartment..i bought this cheapy canister thing...vented one head (because the other one isn’t? Which is still kinda odd - and just ran a T of the oil fill tower...just to use all 3 ports...test drive showed no oil blowing out around the oil fill - or anywhere else...didn’t notice any change in oil pressures or anything...it was a cheap way to test it out...and with nothing better to do since we’re not supposed to leave the house...heck ,it was something to do
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