alls i know i let mat and julie do what ever they want, i tell her what i need and what my boat is doing, they do their thing , and i WIN AND WIN AND WIN , thats good enough for me, the biggest and most offten question i get asked is ,,,what did u do this year to get the speed, THROTTLE-UP,,, if your not running one ,,,your following one ,,, thanks julie and matt,, george jr.