i need help.. i have an 88 gxl....we put an s5 turbo 2 engine in.......the wiring is soo complicated tho!!! I dont know if I should splice everything or if i should buy in s4 turbo 2 ecu and engine harness and s4 fuel injectors???? can you guys help me coz i really dont know what to do.... plz give me your input...thanks
-ryan

 

go with s4 wiring harness and ECU unless you really know wiring or really know what you are doing (you wouldnt be asking if you did)