John, check this out:
http://forums.pelicanparts.com/showthread.php?threadid=322866&highlight=930+turbo
7.5:1 will allow more top-end boost, 8:1 may be a bit better for you on the street--a little quicker off the line/low rpm.
Cheers
__________________
Scott Kinder
kindersport @ gmail.com
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