get your crank, flyweel, and pully balanced and it will go away
some times impellers arent ballance properly and that owuld cause some vibrations i know that its new but if you this it could be .007 off then it is most likley out of blance too. just a thought, i know this is a big deal with big motors. http://free.***boat.net/ubb/wink.gif
Tyson www.plumbersassracing.com (http://www.plumbersassracing.com)