All I know is I got 1 of ole Tuckers 200T that wouldnt run right, wouldnt idle, wouldnt oil, etc etc. Turned out to be a badazz stock 200T in the cut I have ran to date and a tree guy I sold it to said it eat his other 2-3 200 up in the cuts.
Heck even was known for out cutting a ported 200...