my friend got a A/T 87 0r 88 civic flatback with a d15 he blew his motor up b/c of high mileage and now he wants to get a new engine since his car is carbed he wants to know what motor could he swap it it dont matter if he has get a wire hardness or ecu we would like a bolt on one we got got the time to refab mounts .... does any1 know what can be done or do we just have to pull his motor out and just redo ..... thanks