Hows it going guys, havent been on in a while so i figured id come give a shout. Ive been busy with tons of things. So i got a couple topics and questions for you guys. At the end of january i am going snow drag racing with my 600 etec in la sarre quebec CAN, i will only be racing in the 600 stock class but i want to get the most out of my sled. I thought of the obvious...im going buy a new belt for it. My best experience was with ultimax XS so ill be going with that. My question about that is i want to break it in the best way. i know how to generally do it but maybe some of you have some extra tips. Also, my engine has been spuddering lately, so i called my dealer and they said to make sure to us 91 octane fuel, ironicly i was using 89 because of the price of gas here, so he said to try using 91 and octane booster, never really trusted octane booster, always thought it was a waste of money, anyone have any suggestions or tips about that too? And any other tips or suggestions for getting the most out of my sled for the weekend would be greatly appreciated.