OS Pipe Settings

[Karl G. Mueller]

Bob,

18 1/2" measured straight back from glow plug to first baffle,
not high point, with the wrap-around header should be a good
starting point on the #1092 Mac's Pipe. If you're running the
160 FX and not the FI version, try a 16 1/2 x 12 APC. It has a
fairly narrow blade. I am running at 18" with this set up, but with
modified exhaust port timing.

Karl G. Mueller
kgamueller at rogers.com

----- Original Message ----- 
From: "Bob Pastorello" <rcaerobob at cox.net>
To: "NSRCA" <discussion at nsrca.org>
Sent: Friday, September 19, 2003 8:53 PM
Subject: OS Pipe Settings


I know this may have been covered.with a Mac's 1092 pipe, what is the
starting point with an OS 1.60?  Ed's site has some references to 18 ½"
to the first reflector ring in the pipe.  That seems quite short.
What's the experience out there?
            APC 17 x 13N, looking for mid 8's.


Bob Pastorello
El Reno, OK
AMA 46373, NSRCA199


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