I HAVE A TNV DRILLED W/ 3 1/2 PIN STACKED MB... 4000 NO POLISH...IM A HIGH TRACK PLAYER... 300-350 REVS... 16-17 MPH...I LOVE THIS BALL BUT IT STARTS TO ROLL A LITTLE EARLY..... I WANT TO GET ANOTHER ONE SHOULD I DRILL IT LIKE EBONITES #1 DRILLING OR .... A 5 1/2 PIN AT 60 TO 70 DEGREES PIN TO MB ..AND WILL THERE BE MUCH DIFFERENCE ...I LIKE TO PLAY TRACK AREA 15 TO 8 AT BREAK POINT ...CAN ANYONE HELP ...THANKS