Removing the Vise IT system

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lpc300
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Removing the Vise IT system

Post by lpc300 »

Hi all. Just picked up a few used bowling balls. All have the Vise IT thmb. I'm going to be drilling these balls for some friends who don't use IT. How do I drill the system out so I can plug it? With the pieces in the bottom, it seems complicated.
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Dustin
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Re: Removing the Vise IT system

Post by Dustin »

Just drill in the middle of the piece in the bottom and it will come right out. Think I have used a 1/2" drill bit in the past.
* MPH @ aarows
* RPM
AR *
AT *
PAP 3 3/4"
(* rebuilding)

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snick
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THS Average: 196
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Positive Axis Point: 5.5625" x .625 up
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Rev Rate: 360
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Re: Removing the Vise IT system

Post by snick »

you need to insert a slug and measure the pitches.
Use 3/4" bit 4" deep to drill out the ball-it and plastic molly.
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RH
PAP: 5.5625 x .625 up
REVRATE: 360
SPEED: 17mph at release
AR: 55º
AT: 17º
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