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Total 15 documents matching your query.

1. Filters for velocity stacks (score: 1): Author: Gregory_Schulz@mil-elect-tool.com; Date: Mon, 22 May 2000 15:12:39 -0500; A friend runs vel. stacks on twin SU's. He has round cylindrical "slip on" foam filters about 4 in. OD and approx. 6 in. in length. They are very low restriction but do manage to keep sand, stones, e; /html/vintage-race/2000-05/msg00182.html (8,023 bytes)
2. Re: Filters for velocity stacks (score: 1): Author: Jimmysmth@aol.com; Date: Mon, 22 May 2000 17:43:34 EDT; Gregory: I'm using KN filters on my 1.75" SU's on custom made velocity stacks on my 100-4 racer. The filters are approximately 4" diameter where they clamp to the stacks. They are approx. 5" long ove; /html/vintage-race/2000-05/msg00187.html (7,942 bytes)
3. RE: Filters for velocity stacks (score: 1): Author: "Kerry Seibert" <ckchapel@fast.net>; Date: Mon, 22 May 2000 18:58:36 -0400; GREG - try APT (Advanced Performance Technology) in Riverside, CA. www.aptfast.com They have all kinds of goodies that might help. I'm using their SU billet stub stacks on my 1 3/4" SUs and a K&N fil; /html/vintage-race/2000-05/msg00193.html (9,489 bytes)
4. Re: Filters for velocity stacks (score: 1): Author: "Elton Clark" <lotus.tony@airmail.net>; Date: Mon, 22 May 2000 16:39:01 -0500; Motorcycle shops were once the main source . . .The brand name was "Filtron" and the last "Pegasus" catalog I saw still listed the "sock type" . . 1 800 688 6946. Tony_______________________@Sherman.; /html/vintage-race/2000-05/msg00194.html (8,743 bytes)
5. Re: Filters for velocity stacks (score: 1): Author: "Roger Sieling" <sarl45@hotmail.com>; Date: Mon, 22 May 2000 21:38:07 EDT; Just make sure what ever brand they are that they have the spring inside to keep them from being sucked closed and even down into the carb throat like the early ones did on our Datsun 510 rally car i; /html/vintage-race/2000-05/msg00202.html (10,153 bytes)
6. RE: Filters for velocity stacks (score: 1): Author: "little britain motor company" <lbmc@nexicom.net>; Date: Tue, 23 May 2000 06:53:28 -0400; At Little Britain Motor Company, we represent Pipercross Filtration, leading air and oil filter suppliers to international motor racing. We have a variety of filters in stock, including "socks" for S; /html/vintage-race/2000-05/msg00208.html (9,738 bytes)
7. Re: Filters for velocity stacks (score: 1): Author: Mark Haynes <haynes386@netzero.net>; Date: Tue, 23 May 2000 16:18:19 -0600; Craig et al, David Vizard did a fairly complete study on velocity stacks, as printed in "Building BMC 'A' Series Motors" and the upshot of his flow bench work was that the radius at the end is the gr; /html/vintage-race/2000-05/msg00241.html (10,772 bytes)
8. Re: Filters for velocity stacks (score: 1): Author: Brian Evans <brian@uunet.ca>; Date: Thu, 25 May 2000 10:21:07 -0400; I thought it was the other way round - short intake path (and headers, for that matter) tend to increase high rpm HP at the expense of low, and vise versa. My thinking is to choose a cam and intake/e; /html/vintage-race/2000-05/msg00242.html (11,998 bytes)
9. Re: Filters for velocity stacks (score: 1): Author: Arthur Blackwell <aeb1@americanisp.net>; Date: Thu, 25 May 2000 11:45:45 -0600; Gee, I guess all that work we did on stacks for the Hilborn Fuel Injection for Offy & SBC doesn't mean anything.......;-)..... -- Art Blackwell Denver, CO " Even in the future nothing works " Dark He; /html/vintage-race/2000-05/msg00248.html (11,491 bytes)
10. Re: Filters for velocity stacks (score: 1): Author: Jim Hayes <hayes@mediaone.net>; Date: Thu, 25 May 2000 23:27:46 -0400; As I remember it, that is correct - shorter pipes for higher RPM, just like an organ (shorter = higher frequency). It's a matter of tuning the frequency of the compression/rarefaction pulses caused b; /html/vintage-race/2000-05/msg00250.html (9,811 bytes)
11. Re: Filters for velocity stacks (score: 1): Author: Brian Evans <brian@uunet.ca>; Date: Fri, 26 May 2000 08:08:51 -0400; Did your results differ significantly from Vizards published work? BTW, I always thought that the different height stacks on the SBC injection were to tune the ports slightly differently to get a wid; /html/vintage-race/2000-05/msg00251.html (12,284 bytes)
12. Re: Filters for velocity stacks (score: 1): Author: Brian Evans <brian@uunet.ca>; Date: Fri, 26 May 2000 08:25:44 -0400; As a side note, some of you may remember that I'm trying to run a Martin engine, which has a three valve pushrod cross-flow aluminium head on a 120E ford block. I ran into some servious valve train p; /html/vintage-race/2000-05/msg00252.html (9,204 bytes)
13. Re: Filters for velocity stacks (score: 1): Author: David Lee Mericle <ok3wire@ixpres.com>; Date: Fri, 26 May 2000 19:50:24 -0700; Back in the olden days (mid-fifties) I worked at a wind tunnel facility associated with the U. of Minnesota. My job was to design nozzle blocks to produce a specific mach number in the test section.; /html/vintage-race/2000-05/msg00285.html (10,369 bytes)
14. Re: Filters for velocity stacks (score: 1): Author: Arthur Blackwell <aeb1@americanisp.net>; Date: Sat, 27 May 2000 12:19:41 -0600; The organ pipe analogy is a pretty good one, as we tuned for better charge for a given RPM range......We needed more power quickly on shorter tracks ( 1/4 to 1/2 mile ) than on larger tracks ( 1/2 to; /html/vintage-race/2000-05/msg00292.html (13,272 bytes)
15. Re: Filters for velocity stacks (score: 1): Author: Mark Haynes <haynes386@netzero.net>; Date: Fri, 26 May 2000 14:32:00 -0600; Michael- Quoting directly ( as I appear to have had a memory reversal on the length/RPM issue),"Anything with a radius over about 1/8" is within a 99% chance of working. Where a radius is not totally; /html/vintage-race/2000-05/msg00293.html (10,288 bytes)

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