Naked Arborist
Hack from way back.
Ok that might help people that have saws they might part with. The only Stihl I have extra right now is a 660 and I'm not sure I want to see it go. I'm going to build a mill to use with a 36-42" bar.
Hope your going with an HD pump massaged and/or an auxiliary oil supply. Your going to need a big custom air filter and pipe How high you going on compression?