Reshape-Heat Treat
Brush Finish
Reset redesign levers-Stainless Springs
Heat Colored-Annealed
Refit slides-Rotors-ReSolder rotor assembly
Best Part-Play Test
Final Adjustments-Incredible Sound
I Believe the heat treating and reset of rotor casing and all braces improved the Response to a great degree. The Brush technique seems to blend age marks as well as not remove too much material.