FIRST EXCUSE MY ENGLISH , AM FRENCH . I OWN A 2001 srx 700 AND I MAKE ALL DRAG ON SNOW WITH . I PUT ON DRIVING CLUTCH 51/40 , SILVER spring, AND 60 degree . IN FRONT IS 8 bu 00, BOOST 54 gram , 1 weLD ON THE thikinness AND MY SPRING IS ORANGE -SILVER-ORANGE . MY GEAR IS 22/38 .STOCK IS23/38 . I KNOW IS NOT THE GOOD WAY TO SET UP YAMAHA FOR 660 FT . I HAVE MANY IDEAS TO SET UP . PLEASE HELP MY TO FIND A SET UP FOR DRAG AND I HELP YOU TO RUN 126 mph ON ICE

how does that set up work now??.......rpm.