help need for my 85 crx si

ive got a 85 crx and i have that webber and high performance cam. what else can i add to it to make it faster? plus when i get up to a 100 it starts to cut bak and jerk bak and inside the carb starts to bak fire what can i do in order to solve this problem?

Hey street asassin, I probably can't help you much cause it sounds like your ahead of me on the mods. Maybe you need more fuel to your carb. In line electric pump or something. By the way what come do you got.