ShopTalk: 50" long Driver help

[Pat McGoldrick]

I had my first customer come to my shop looking for a 50" driver. I need help looking for the right (or in the ballpark) frequency for a club this long. I am also open for suggestions on a club that will work for this guy. He is 62 years young, fast tempo, 3/4 swing and a swing speed @83mph, 10hdcp. I was going to build a Bang 450cc, SKFiber PE (R) flex, approx. 224cpm. Am I in the ballpark. Oh yeah, $150range. TIA   Pat McGoldrick On Target Golf