Perry Casson wrote:

Using the Spintech part # system as defined  by
http://www.spintechmufflers.com/spintech/styleimages/index.htm
Are you going to be making  #9137 or #9139?  From what I've read if you do
not use collector as in #9139 has you loose virtually all gains from
attempting to build a tuned exhaust.

Perry Casson

The AirCraft Rotary Engine NewsLetter.  Powered by Linux.
ACRE NL web site. http://home.earthlink.net/~rotaryeng/            
Copyright 1998-2002 All world wide rights reserved.