i have a 94 integra ls now i also have a 96 gsr full motor swap. i have everything for this motor except the harness. i am using a obd1 p28 chipped computer that a guy used on his gsr. one of my friends told me that i can use my stock wiring harness and wire in pins for the vtech and map sensor and what not is this true if so how do i do this and if not true what do i need to complete the swap. also when i buy my full exhaust will their me any problems installing it or will it bolt right in.