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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*Overrun\s+valve\s*$/: 4 ]

Total 4 documents matching your query.

1. Overrun valve (score: 1): Author: "David" <popeye444@comcast.net>; Date: Sat, 12 Aug 2006 20:12:18 -0600; I'm rebuilding the carbs (SU HS2s) on my 69 spit and I found something strange. The throttle plate has a spring valve in the plate. Maybe this is normal for these but it's the first I've seen. The W; /html/spitfires/2006-08/msg00025.html (7,069 bytes)
2. RE: Overrun valve (score: 1): Author: "Joe Curry" <spitlist@cox.net>; Date: Sat, 12 Aug 2006 20:51:38 -0700; Those were added on later carbs in an effort to cut down on emissions. It probably won't do anything to the performance to leave them plugged. That is essentially the way the earlier HS2s were shipp; /html/spitfires/2006-08/msg00026.html (7,244 bytes)
3. RE: Overrun valve (score: 1): Author: "David" <popeye444@comcast.net>; Date: Sat, 12 Aug 2006 21:05:43 -0600; Thanks guys. When I put the first one in the cleaning tank it came loose and seems to open and close freely. I think I'll clean the remaining JB weld off and go with them the way they were intended.; /html/spitfires/2006-08/msg00027.html (6,796 bytes)
4. Re: Overrun valve (score: 1): Author: Doug Braun <doug@dougbraun.com>; Date: Mon, 14 Aug 2006 08:30:26 -0700 (PDT); If the springs are weak on these overrun valves, they can leak at idle. Keep this in mind if you cannot get the idle low enough. One disadvantage of these valves is that they obstruct the airflow a b; /html/spitfires/2006-08/msg00028.html (7,371 bytes)

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