I finally got to put two tanks thru this saw this afternoon. I bought 5 nice ported saws and love every one of them and they were built by some of the finest builders in the business (their work and the men themselves). I feel very fortunate to own these saws and know these guys put their heart in doing the absolute best work for their customers. I really don't have a 1 saw favorite but I wanted to comment on this 2172 BB AWOL sent me. Its the most pissed off, evil, bad eyed, loud barking, revenge gettin SOB I've ever pulled the trigger on. I don't pretend to know what he does to them, dont want to know, don't know how long this one or any of them will last and don't care. AWOL sent me my mother in law in the form of a chainsaw. The smile they each put on my face is worth it if they all blow up tomorrow. Cool hobby, cool people, glad I'm here. Just a little feedback for what it's worth.......