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RE: Filters for velocity stacks

To: <Gregory_Schulz@mil-elect-tool.com>, <vintage-race@autox.team.net>
Subject: RE: Filters for velocity stacks
From: "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 filter fits
over the stack.  Still fits under the bonnet of my Morgan.

Craig Seibert        1968 Morgan +8   car no. 611   "Duff Morgan Racing"

PS  I've talked to a few people who say the "tall" velocity stacks (though
they certainly look cool) are not as good as a good "stubby" stack as far as
air flow and turbulence.  APT seems to be one of them.  I'm no expert nor
engineer . .. . . . . just using what seems to work for me . . . . . .

-----Original Message-----
From: owner-vintage-race@autox.team.net
[mailto:owner-vintage-race@autox.team.net]On Behalf Of
Gregory_Schulz@mil-elect-tool.com
Sent: Monday, May 22, 2000 4:13 PM
To: vintage-race@autox.team.net
Subject: Filters for velocity stacks





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, etc.
out of the internals.

It is of "one piece" construction, versus
several pieces glued together. The filter
shape is reinforced by large internal coil
springs which capture the lip of the stack
and holds the filter in position.

They were on an ex-SCCA Sprite from Texas,
I believe, and over time the source info
has been lost.

Does anyone know if something like this is
still available somewhere?

Thanks,
Greg
VSCDA #517 Sprite
Cedarburg, WI



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