Originally Posted by JT_2eighty
It should break in nicely for you. Pacific Tough does have an initial break-in phase where it will seem too stiff for an hour or more. After about 2-4 hours (depending on how hard/often you hit), it will settle in for you. I've found that lowering poly crosses 3lbs from the gut mains help to reduce break-in phase.
Does this differential deform racquet head at all? I'm OK with extra hour of break-in, but I can not tolerate irregular shape due to mains/crosses differences.