i can say this i have never heard of the x-factor before but the iq tour pearl should work abit when the oil on the lane is almost gone ik one person here where i like has one and he was on same thing as you his first 2 games where alright but below his avg his avg is 221 and his 1st and 2nd games where 201-213 but in the 3rd game he decided he going to play threw the middle of the lane and push it out just abit past pocket and he was going threw all the oil because none played threw middle other then him and he shot a 300 game with it in the last game.
but he is also has high revs hes got more then me and my rev rate is about 450-550 and i throw at 17-19mph and he throws at 19mph.
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