Haha, if you go by that website, then the Callaway Sledgehammer's top speed cannot be in doubt, now can it? Can't have your cake and eat it too. BTW, the McLaren F1's record in Guiness can't stand either. UNLESS you can actually BUY a pre-production F1 (in this case the prototype XP5) unfettered by the rev limiter found on production F1's. "OK now I'm done." LOL! Where have we heard that one before? And where's your buddy cornu?