I have a 91 CRX Si, with a DC header and a full exhaust, and a cold air kit. i have aound a SI-R B16A 88-91 1.6L DOHC VTEC, but it is only the engine. what else do i need fo rthis? will my tranny work with this motor, and what about ECU stuff(which i know nothin about)???any help would be awsome