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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*Open\s+vs\.\s+Closed\s+Valve\s+cover\s+breather\s*$/: 4 ]

Total 4 documents matching your query.

1. Open vs. Closed Valve cover breather (score: 1): Author: Unknown; Date: Sat, 11 Oct 1997 20:32:26 -0400 (EDT); Does anyone know when the TR4 switched from an open breather cap on the valve cover to the closed setup with the fumes being routed to the air cleaners? I have three valve covers for my car and all t; /html/triumphs/1997-10/msg00867.html (6,795 bytes)
2. Re: Open vs. Closed Valve cover breather (score: 1): Author: Unknown; Date: Sun, 12 Oct 1997 10:19:14 -0700 (PDT); I'm pretty sure the breather was only used on the later TR4s (64+) or maybe only the 4A. I have a 4A engine with SU HS6 carbs in my '62. There is no PCV valve at all. I think that I will either: a) r; /html/triumphs/1997-10/msg00897.html (7,993 bytes)
3. Re: Open vs. Closed Valve cover breather (score: 1): Author: Unknown; Date: Mon, 13 Oct 1997 22:41:50 -0400; It has to be there, since that is where the vacuum is high enough to do some good. The air filter is a restriction, and therefore there is a vacuum on the inside to "suck" air through it. I wouldn't; /html/triumphs/1997-10/msg01093.html (7,639 bytes)
4. Re: Open vs. Closed Valve cover breather (score: 1): Author: Unknown; Date: Mon, 13 Oct 1997 20:39:57 -0700 (PDT); I also figure that there isn't anything filterable inside the crankcase (you hope not, anyway!)-- all a filter would do is get plugged up with oil --there should be no dirt or bugs inside your sump!; /html/triumphs/1997-10/msg01100.html (7,784 bytes)

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