he's back!!! so i just picked up my blaster a few days ago from the stealership after a 1060 dollor ass raping replacing my crank and piston with wiseco on both as i mendshend 68.25 i'm going to put on the air scoops dyo from this forum to help prevent overheating i also have comming 4 razrs f 21x7x10 r20x11x9 with .160 dougles rims but i'm running 13f 40r sprockets what should i run? and will i need a new chain i bought this blasty from craigs list asking 1000 and i talked him down to 500 i've done alot to it and am willing to do more any help is apresheated thanx guys