Vince,

Are you very new to bowling?

If so, you have to realize that the oil pattern and amount for a tournament may be different from what you see in your league on a weekly or a daily basis. In fact, I'd be surprised if it weren't always different. One often needs an oiler such as the Chaos to handle heavier oil and a polished pearl, such as the V2, that will skid much longer on oil patterns where the Chaos will hook earlier.

The Chaos and the pearl V2 are a decent 1-2 combinaiton to handle such variations. The 800 grit sand + polish for the V2 is its normal finish from Ebonite. I would keep it that way. In fact, I 'm surrpised you haven't found a condition half way in between the two and on which neither ball really worked well. A lot depends on the oil you encounter and how you adjust.
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"Just because you can do something does not mean you should do it."