AFTER PARKING MY FORD F-350 CREW CAB 4X4 WITH A V-10 ENGINE, I EXITED THE VEHICLE AND CIRCLED AROUND TO THE PASSENGER SIDE WHERE I NOTICED FROM THE CORNER OF MY EYE FLAMES IN THE R FRONT WHEEL WELL. BEHIND THE TIRE. I IMMEDIATELY WENT INSIDE THE BUILDING AND SUMMONED HELP AND A FIRE EXTINGUISHER (ABC) . MYSELF AND SECURITY PERSONNEL DID NOT OPEN THE HOOD. WE DIRECTED THE FIRE EXT. INTO THE WHEEL WELL AND THERE WAS A SORT OF BACKLASH AND WITH SECONDS A PAINT BUBBLING HOT SPOT APPEARED ON THE HOOD. WE IMMEDIATELY CONTACTED THE FIRE DEPARTMENT WHO RESPONDED. WITHIN MINUTES THE ENGINE COMPARTMENT WAS COMPLETELY ENGULFED IN FLAMES AND THERE WAS FLAMING UNDER THE ENGINE AS WELL. WE CLEARED THE AREA OF ONLOOKERS AS FIREMAN FOUGHT THE BLAZE. THERE WERE NO INJURIES TO MYSELF, THE SECURITY GUARD WHO RESPONDED, FIREMEN OR ONLOOKERS. *TR