I HAVE 97 CHAPPARAL 5.7L MOTOR, wHEN I WENT TO LAKE AND STARTED IT UP IT IDLED FINE, THEN IT STARTED TO IDLEING RUFF. WHEN I OPENED THE BACK UP IT WAS SPITING WATER OUT OF INTAKE, IT LOOK LIKE MUDDY WATER,WHEN I LOOKED INSIDE THE VALVE COVER IT WAS FILLED OF THIS MUDDY WATER, WHEN I PULLED THE OIL DIP STICK OUT WATER CAME OUT,WHEN IT WAS RUNNING IT WAS SPITTING THE STUFF OUT OF THE INTAKE, WHEN I PULLED THE LUGS FROM THE MANIFOLD IT WAS JUST WATER.DOES ANYONE KNOW WHAT COULD BE THE PROBLEM OR WHAT I CAN DO TO NORROW IT DOWN.THANKS