I WAS DRIVING TO WORK ON,A TWO LANED HIGHWAY AND SUDDENLY I JUST HEAR AN EXPLPSION. THE SOUND OF WHAT I FOUND WAS A HEAD ON COLLISION MY CAR WENT INTO OMCOMING TRAFFIC. THE ENGINE AND TRANSMISSION WERE NOT IN THE VEHICLE AT THE SCENE OF THE ACCIDENT. I BROKE MY PELVIS AMD THE SEAT BELT CUT ME OPEN. I LOST CONSCIOUSNESS AND HAVE A SLIGHT BRAIN INJURY. I WAS TRAVELING AT 55 MPH. RIGHT BEFORE THE EXPLPSION SOUND MY CAR VEARED TO THE RIGHT AND I HEARD THE ROAD SAFETY BUMPS. I CORRECTED MYSELF AS I ALWAYS WOULD AND NEXT THING I KNOW IM IN A SEVERE HEAD ON COLLISION LUCKY TO BE ALIVE. TRANSMISSIOMS AND ENGINES DONT JUST FLY OUT DURING AN ACCIDENT EXCEPT AT VERY HIGH SPEEDS... I BELIEVE THE CAR WAS DEFECTIVE AS I DID NOT DRIVE IN FRONT OF ANOTHER VEHICLE HEAD ON.