I have a clone motor already built but im tryin to get 8,000 plus rpm's out of it. Its 6.5 clone with molly connecting rod, 1:3 ratio rockers, molly push rods, i think 22 or 23 pounds valve springs, blk mamba cam 2.75, 22mm mikuni carb with 22.5 polit an 130 main, mikuni fuel pump, 12t bully...