600 mi. on F7 std. & i love it, 136 1175 woody's & have susp. set properly. Still have 4" carbides, ready to update. Would like to reduce darting & increase handling on icey corners. Have not changed limiter strap.Don't ide in powder & don't want trailering problem of wider ski's. Ive debating over shaper bars or woody's dooly's anyone tried these? Or is it worth the bucks to go with a diff. ski?