I suggested to a friend a power goove to fit in below his messenger but the power groove just snaps too hard for him. I was wondering if a Avalanche might be a better choice. Which one is smoother, the solid or pearl. Wer are going to dull the groove to see if will smooth it out.

How does the Avalanche compare to the Messenger Pearl?

The Avalanche will roll sooner than the Messnger and Solids tend to always be smoother than Pearls.  Almost hard to imagine that a Power Groove is snappy with the lack of a dynamic core in it.  But if he has alot of rev rate on super fresh backends, I could see that.
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Steven Vance
Pro Shop Operator

If anyone out there is worried about the scores being too high, try duckpin!!

Too much energy on the backend reading the dry. I'd go with an Av Solid and a pin down to get the ball into stable roll. Then adjust the cover to fit.
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Ken