Ironworker
Addicted to ArboristSite
I just went through this whole thread looking for a 661 390 comparison and nothing WTF.My 395XP is headed back to Illinois where it came from. Stihlaficiando sold it to me and now bought it back. He also has that very strong running 661 I built for him. His reports on the 661 are extremely favorable. Lots of torque and more topend than a 660. I would concur with that assessment. Since I never got around to it, he's agreed to do a heads up comparison on them. Yes, I'm putting you on the hook, Mark!