the car dies out when i jump on it form a stop or i'm not over 1500 rpm. i changed the fuel fillter and plugs. car is a 91 rs had a b18a1 but swaped in b20b i have intake and a cat back. can anyone help there are no check engine codes. can some one email me a pic of the vacuum lines so i can ssee if maybe vac lines anr wrong. oh idle jumps from 800 to 1300 also???? anyone please help