670 HAS PLENTY OF POWER AS IS I WOULD LEAVE IT STOCK AND CONSINTRATE ON DIALING IN THE SUSPENSION FOR THAT PERFECT RIDE OF COURSE THIS IS JUST MY OPINION
670 ARE A DEPENDABLE SHOULD MAKE YOU HAPPY.
Thanks for the input. I rode it this weekend and it flyes. My buddy rode it he has a 700 mxz and a 800 rev. he said it is set up really good so I may just leave it at that.
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