Ok, i got a used Erase-it from my cousin and had the fingers drilled monday and went to use it, during leagues,  Well i thought this ball would give me more of a backend, or be able to play more in the oil, it wasnt to be.  

the drilling is a i think a 3 3/8 x 4

I tried playing this ball deeper inside 4th arrow out to 10 but ball would turn but always came up very light.  

So i moved over and played 15-10 and when the ball would hit dry, it would make a nice turn to the pocket.  The ball also had tons of hold too, which suprised me cuz it was left in box condition.  

Now I am just wondering if the ball is burning up too early and has nothing on the backend.  So i am thinking about Polishing the ball up so it has more energy on the backend.

just chim in on how you like your Erase-it
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" Lift Your Skirt Grab Your Balls and Learn How to Bowl "

What goof said seems right, as far as it goes. Remember also that the Erase-it came dull (600 grit matte finish). If your cousin has used it for any amount of games, it has likely absorbed a bunch of oil over time. This can reduce a dull ball's reaction from a little to a lot. The Erase-it, out of the box, had a good amount of hook in most anyone's hand. So I suspect it needs both a bit of oil extraction and a decent resurfacing (take it down to 220 grit, then back up to its stock 600 rit matte finish). I'd try those before polishing it. Heck, even if you decide you like it better polished, these 2 procedures are highly recommended on any used dull ball.
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"Just because you can do something does not mean you should do it."

well i ended up throwing the ball into a polishing machine for 8minutes and it came out nice n shiny.

the league i bowl in tonight is a basic shot, very oily in from 15-15 and tapers off to to the gutter.

The ball polished needed dry to make a good hard turn on this condition, i left several flat 10s, or 8pins, and even try go get a bit deeper and left a 5pin on a pocket shot.  

But i ended up playing 17 to 10 so it could get a nice turn into the pocket.  

And as for most of my other bowling balls,  I normally have the pin either 4inches from pap or more.  I rarely go less than 4inches, because i have so many revs.

Most of the time, i put the Pin either above my ring finger or middle finger, or under them.
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" Lift Your Skirt Grab Your Balls and Learn How to Bowl "