I am about so tired of my car, I mean love it and all, but when I am driving between the rpms of 3000 and 4000 it seems like my car has a hesitation and it just wont go, I have to downshift to get power, I just put an intake on it and it has only one lil tube for my vacume hoses, I have a 90 ls and it has two weird things on the intake manifold one near the throttle thing and one one the intake manifold I am so confused, my boy had a 98 gsr and it looked so much different, so now I am lost and need more help then could b offered!!! Please help!!!:think: