Terry Syd
Addicted to ArboristSite
Stumphusky put a degree wheel on a 576 in this thread - http://www.arboristsite.com/stickies/177311.htm
With only 11 degrees of blowdown, the muffler mod needs to fairly generous to drop that pressure as quickly as possible.
With only 11 degrees of blowdown, the muffler mod needs to fairly generous to drop that pressure as quickly as possible.