The 54-57cc 10-series saws seem to run good down to 110 psi. The 82cc to me is at its life end around 130-140. A 130psi 10-10 will rip like crazy.
While on the topic I’ll share this, my favorite 10-series saw motors are the 82 and 62cc. I wish I had never sold my PM60 and SP60’s