On Thursday, June 30, 2005, at 12:57 PM, Russell Duffy wrote:

Bill, the muffler is "optically dense." The "tailpipe" cannot be seen by the exhaust ports. I wish Paul had tested a little more and given me more information. A number of people want this muffler but I have declined to build more until it could be tested properly. Even Paul is telling Bob White to change nothing until he hears it for himself. I need to finish my engine and put it on my own dyno. Jerry 
 
Hi Jerry,
 
I've been trying to follow this, but I think you guys must be referring to a post on the PL list.  Did he just bolt it on and listen to it, then take it off without actually doing a dyno pull on it?  That would be a bummer. 
 
If you're going to discuss it here, could you post the whole message you're commenting on, so the rest of us can follow along?  Of course, you could also hold this discussion on the other list, or at least "try" to :-)  
 
Cheers,
Rusty

Rusty, Paul Lamar tested the muffler and said it was loud (123 DB) but qualified that by saying he was standing right next to the engine in a metal building. He reported that others standing nearby found the sound to be mellow when compared to full race open exhaust systems. Not much good information to go on. The test was done at 6000 rpm but hp was not measured so we don't know how the exhaust affects performance. I was hoping for more and that led to my statement above about needing to get my engine running and on my own dyno. Jerry