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Total 8 documents matching your query.

1. 30 degree valve seats and 3 angle valve grid (score: 1): Author: Don Malling <dmallin@attglobal.net>; Date: Wed, 04 Dec 2002 01:08:54 -0500; David Vizard and others on these lists recommend 30 degree valve seats rather than 45 degree valve seats because they improve flow at low valve lift. Rimflow and/or back cutting the valves also help; /html/6pack/2002-12/msg00130.html (8,675 bytes)
2. RE: 30 degree valve seats and 3 angle valve grid (score: 1): Author: "Jim Swarthout" <jswarth1@tampabay.rr.com>; Date: Wed, 4 Dec 2002 01:45:14 -0500; Go to the beach, pick up a grain of sand...then realize how much you have diminished the beach...same analogy...everything that you have described will not make one bit of difference in the performa; /html/6pack/2002-12/msg00132.html (9,355 bytes)
3. RE: 30 degree valve seats and 3 angle valve grid (score: 1): Author: "Navarrette, Vance" <vance.navarrette@intel.com>; Date: Wed, 4 Dec 2002 08:14:02 -0800; A 3-angle valve job is when the valve seat is ground at three different angles; The tuners all have their favorite recipe, but it is usually something like 25-45-65 degree cuts, with the valve conta; /html/6pack/2002-12/msg00143.html (11,053 bytes)
4. Re: 30 degree valve seats and 3 angle valve grid (score: 1): Author: Don Malling <dmallin@attglobal.net>; Date: Wed, 04 Dec 2002 22:36:53 -0500; Hi Vance, Thanks for the reply. You understood my question, and answered it. So, a 3 angle valve grind is simply a generic way to smooth and increase the flow past the valves at low lift, and there i; /html/6pack/2002-12/msg00179.html (13,081 bytes)
5. RE: 30 degree valve seats and 3 angle valve grid (score: 1): Author: "Navarrette, Vance" <vance.navarrette@intel.com>; Date: Thu, 5 Dec 2002 07:49:53 -0800; We are starting to get into areas on which I am less studied. I would imagine that a 3 angle would wear faster than a simple 45 degree valve seat. I couldn't guess how much less durable. A 30 degree; /html/6pack/2002-12/msg00190.html (12,873 bytes)
6. RE: 30 degree valve seats and 3 angle valve grid (score: 1): Author: William Whitmoyer <wwhitmoyer@samsonite.net>; Date: Fri, 06 Dec 2002 10:34:14 -0500; Interesting tidbit: I was at the Wiseco piston factory a couple of weeks ago with the local Porsche club...the tour, incidentally, was really cool as they do Formula 1 super-alloy metal forging-I now; /html/6pack/2002-12/msg00245.html (10,309 bytes)
7. 30 degree valve seats and 3 angle valve grid (score: 1): Author: "Navarrette, Vance" <vance.navarrette@intel.com>; Date: Tue, 10 Dec 2002 10:44:56 -0800; I *am* recommending the 30 degree back cut, the 3 angle valve job, a pocket port, and the necked down, polished valves. They all work. The only caveat is that each change by itself is very small, bu; /html/6pack/2002-12/msg00334.html (10,063 bytes)
8. Re: 30 degree valve seats and 3 angle valve grid (score: 1): Author: Don Malling <dmallin@attglobal.net>; Date: Tue, 10 Dec 2002 22:13:17 -0500; Thanks Vance, I thought you were recommending it, but didn't want to put words into your mouth. You know what they say... what's good for GM is good for the country... Thanks, Don "Navarrette, Vance"; /html/6pack/2002-12/msg00338.html (10,756 bytes)

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