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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*CNC\s+headwork\s*$/: 14 ]

Total 14 documents matching your query.

1. CNC headwork (score: 1): Author: Ronnie Day <rday@hot.rr.com>; Date: Sun, 26 Mar 2006 07:51:41 -0600; You mentioned the CNC processes. Can those rigs be used to check and setup things like valve seat, port and chamber matching, stem tip height and parallelism to the cam centerline? In other words al; /html/datsun-roadsters/2006-03/msg00192.html (6,775 bytes)
2. Re: CNC headwork (score: 1): Author: TWFAUST@aol.com; Date: Sun, 26 Mar 2006 09:07:11 EST; The downside of CNC (computer numerical control) is that they rely on "imputs" rather than "existing conditions". That means that they can ignore the obvious. It's big advantage is precise "repeatabi; /html/datsun-roadsters/2006-03/msg00193.html (7,209 bytes)
3. Re: CNC headwork (score: 1): Author: "C. Halsted" <chalsted@adelphia.net>; Date: Sun, 26 Mar 2006 09:33:39 -0500; how about a DOHC setup for a U20? ;-) inquiring minds want to know.. I know there was an experimental DOHC head in the design stages, but don't know if anyone ever actually cast one. could one be car; /html/datsun-roadsters/2006-03/msg00194.html (6,909 bytes)
4. RE: CNC headwork (score: 1): Author: "John Roper" <john@roper-photo.com>; Date: Sun, 26 Mar 2006 11:48:34 -0600; Because the DOHC U20 route would cost 3 times as much? :^); /html/datsun-roadsters/2006-03/msg00196.html (6,470 bytes)
5. Re: CNC headwork (score: 1): Author: "C. Halsted" <chalsted@adelphia.net>; Date: Sun, 26 Mar 2006 14:39:12 -0500; only for the first one, right? ;-); /html/datsun-roadsters/2006-03/msg00199.html (7,597 bytes)
6. Re: CNC headwork (score: 1): Author: Marc&Heidi <mtyler@hctc.net>; Date: Sun, 26 Mar 2006 22:26:52 -0600; /html/datsun-roadsters/2006-03/msg00206.html (7,524 bytes)
7. Re: CNC headwork (score: 1): Author: Marc&Heidi <mtyler@hctc.net>; Date: Sun, 26 Mar 2006 22:36:30 -0600; You'd probably have to design, prototype and set up production for an entirely new head casting. Even if you use the same basic combustion chambers and inlet/exhaust plumbing, there would be a lot of; /html/datsun-roadsters/2006-03/msg00207.html (8,175 bytes)
8. Re: CNC headwork (score: 1): Author: "C. Halsted" <chalsted@adelphia.net>; Date: Sun, 26 Mar 2006 23:42:31 -0500; I think I'll let someone else develop the U20 twin cam head...; /html/datsun-roadsters/2006-03/msg00208.html (7,459 bytes)
9. Re: CNC headwork (score: 1): Author: RacerY@comcast.net; Date: Mon, 27 Mar 2006 07:24:36 +0000; But it got me thinkin'... what's the bore spacing on the u20/r16? 'Cause if a BMW M42 head was the same... well, boy howdy, that would be kind of fun. Or an SR20? Or something twin- cammy from Toyot; /html/datsun-roadsters/2006-03/msg00210.html (7,839 bytes)
10. Re: CNC headwork (score: 1): Author: "Daryl Smith" <drlsmith@telus.net>; Date: Sun, 26 Mar 2006 23:55:27 -0800; This type of thing has been done before. I remeber reading somewhere some guys were modifying Volvo heads to fit a Ford(?) 4 banger. I'll try to find the link!! But, who has the time / access to head; /html/datsun-roadsters/2006-03/msg00211.html (8,223 bytes)
11. Re: CNC headwork (score: 1): Author: "gregs672liter@netzero.com" <gregs672liter@netzero.com>; Date: Mon, 27 Mar 2006 19:28:22 GMT; Interesting stuff on "twin-cam heads" etc etc., but just because it is "twin this, 16 valve that" does not automatically make it better. In fact, my good friend and head guru stated that the U20 head; /html/datsun-roadsters/2006-03/msg00219.html (9,067 bytes)
12. RE: CNC headwork (score: 1): Author: "Gordon Glasgow" <gsglasgow@comcast.net>; Date: Mon, 27 Mar 2006 18:05:06 -0800; And considering how well a U20 head flows, why would you bother? If the head was really restrictive, you might gain something, but the U20 head is actually a very good design. I know I've told this s; /html/datsun-roadsters/2006-03/msg00223.html (9,543 bytes)
13. RE: CNC headwork (score: 1): Author: RacerY@comcast.net; Date: Tue, 28 Mar 2006 06:45:06 +0000; Now if the cam chain set cost less than a JDM SR20 DET, and was as easy to find, (and lasted as long) it'd be a real star! It amazes me that people (Jeff Remfert, locally) race these cars so competit; /html/datsun-roadsters/2006-03/msg00224.html (8,625 bytes)
14. Re: CNC headwork (score: 1): Author: "C. Halsted" <chalsted@adelphia.net>; Date: Tue, 28 Mar 2006 03:32:14 -0500; there is a shop in St. Louis making all the parts along with adjustable cam gears evidently. called me and tried to sell me a 67.5 2000 for $20k, didn't sound near as nice as the #44 car I just sold; /html/datsun-roadsters/2006-03/msg00226.html (7,989 bytes)

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