I need to know the replacement parts for the b16a engine im hearing del sol vtec dohc or the 99-00 si


Also my vtec is hittin in at 3000rpm but its set at 4500rpm and the car keeps on bloggin or jerking back at low and highspeeds need to know whats wrong cause i sure dont when im going like 30 the tach keeps on jumping back n forth and the car loses some power i have to let go and pump the gas again and its okae for a short period then it does it again also does the same at around 60-70mph i switched ecu's in it and used my friends then it started to do that then i switched it back to the ecu that came with the car and its still doing it is it that i fuked up the ecu or is there somethign else wrong need help

 

https://honda-tech.com/zerothread?id=521434