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Old 08-04-2009, 01:04 PM   #102
dr325i
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Quote:
Originally Posted by miljons View Post
I wanted to ask if PT57A is stiffer than stock prestige?
To answer both of your questions:
THe PT57 is the PT630 mold. The "A" version is a layup very similar to the 630, and very flexy. The "E" is the stiffer version of the two.

PT57 and stock prestige have nothing incommon (other than the (possible) paint job).
Flex rating wise -- A is definitely flexier than the MGP MP. "E" is somewhere around there (low 60's), TGK238.1 that I have are definitely in the upper 60's, so stiffer
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