I received an answer for the Rg and Diff to the original Critical Mass from Track. I was told the RG was probably between 2.50 and 2.52 and the diff was under .030. This is the best info they had available to them at this time.
Clint
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Clint Daley-Owner
Lets Go Bowling Daley
Salem, Ohio 44460
TRACK ADVISORY PRO SHOP STAFF