woodyman
Addicted to ArboristSite
I never ran a 5100 but before I had my 359 ported it was muffler modded and pulled a 20" bar with no problem.I have a NE346XP but got it ported before I cut any wood with it but ported its a beast.Don't know how much wood the 359 will see now.I vote a 359 with muller mod.