flow bench

Howdy, Been a little while so I thought I would post today's shop fun. My trusty little Echo CS-341 was in need of some spring maintenance so I took the opportunity to upgrade the muffler. This saw came with a catalyst muffler which always has seemed restrictive. Turns out the CS-3400 saw...

I recently acquired an Echo CS-590 Timberwolf Chainsaw. As promised, I intend to measure the muffler on my flowbench and then measure the incremental improvements as a result of the common "muffler mod" alterations. Here's my saw. I purchased it last week at Home Depot. It was a "return"...