you let dan do it ,an u saw will retain durability.. he works at leaving that in a saw ,when he mods.. daves on the other hand scared me.. but he had it set perfect.. saw took to 16000 rpm just fine..what i was surprised at was the torque at that setting..when a good modifier gets it rite.. leave it alone ,and mark your adjust settings..just depends on how much race saw they try an putin it. these guys that race saws can usually break it dn an get verything rite for the next competition.. jmo