B16a needs help! Injectors,fuelrail,fuelpump

[96DxSi]

I have a 96 Dx with 1st gen b16a motor 95 dsol ecu and i have problems with my injectors because first of i think there stock from my old engine not to long ago one of them went bad causing me to stop traffic and had to replace with a 95 del sol which work. Do i stick with the same injectors or better kind or wht? Also my fuel pump, do i need to change if so, from what car, yr,brand. Then my fuel rail has to be from my old enigine also leaking out of the left part i had to put some kinda shit on it but it stop it from leaking. this morning in 2nd gear shifting fine i started to feel if my car wanted to stall on me then shifting normal to 3rd it did the same once my car was runing about 15 mins it would stop. please help thanks.