SquareFile
ArboristSite Guru
OE346 and jonsered 2153 were used in my test. Both saws are muffler modded, squish set to .020 and tuned to factory specs. I didn't think they'd pull 3/8 as well as they did versus .325 but they did. Also if you have a 42mm top end and your thinking about buying a 44.3........don't!