i have a 91 crx dx with the si (d16a6 i think) swap i putt a cold air intake on in and hit a puddle and hydro locked the motor. the motor was freashlly rebuilt so i toke the top end off and it seems good as new turnd good all the valves and springs look real good can i still use it??????? and what bottom end will my top end bolt on to will i still be able to use my ecu??? my tranny????? my axles???? how hard is this going to be for me??