1991 CRX Si Problems

ok well I've found the problem now i need some answers to my question well My CRX started reved 2 2K RPM and shut off it was the ignition now i need to know if i can use the ignition off a 1991 Civic Sedan on a 1991 CRX Si? Thanks guys

if its a ex yes. it has to be from a MPFI motor.