im running a 320 main 30 idle jet. my banshee is a 1992 350 falls on its face at wide open throttle in 5th and 6th gear i can let off half trottle and it will pick back up. we ran a compression test and it was 130 both cylinders. got a 10 degree adjustable timing plate set at 0 right now, high output stator ,cpi pipes ,hot rod crank ,bored .60 over mikuni carbs,milled head dont know how much? can anyone tell me anything i need to know? i have ordered a carb kit needles looked bad and i had one float stickin cause if i leave the pet cock on by morning theres gas on floor? please help with any knowledge.we are gonna run a plug test next.