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----- Original Message -----
From: "GERYVON" <geryvon@sympatico.ca>
To: <flyrotary@lancaironline.net>
Sent: Sunday, September 15, 2002 9:50 PM
Subject: [FlyRotary]13B EXHAUST PIPE LENGTHS
>
>
> Recently I modified my exhaust by adding 2" I.D. flexible SS pipes so
> that the shortest pipe is now 31 inches long, before bringing the two
pipes
> together in a short pot. I was surprised by the improved performance of
> my engine. However with improved performance came (louder exhaust) noise.
I
> am now thinking about removing the pot and making the two pipes 31" long
and
> adding a muffler to each pipe.
> Ed Anderson posted some time ago a description of his muffler(s) which I
now
> cannot find on my PC. Ed, or someone else if Ed is not available, could
you
> please send a sketch or description or photo of your muffler and
> installation.
> TIA
> Yvon Cournoyer.
>
Yvon, I could not readily find a photo of my current system. But here is a
photo of its very similar predecessor. The primary difference in the two
system is that these pipes with holes were approx 18" long. My current
system using 2" dia stainless steel .065 tubing that is 48" long. The "Fish
Tail" protion is make out of a separate piece in case it needed replacement.
I also have a "Racing Insert" stuck in each tube. This is a 3/4" dia
preforated tube with three preforated 2" dia discs on the tube. This insert
is then placed in the 2"dia header as close as I can get to the exhaust
port. They do help to decrease the exhaust volume quite a lot, but it is
still not "Quite".
The web page with more information is
http://www.carchemistry.com/ccinserts.html
Hope this helps
Ed
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