AS THE OWNER OF THIS CAR SINCE NEW I HAVE USED THE LUCAS FUEL TREATMENT AS A PREVENTIVE MAINTANCE. NEVER HAD ANY DOUBT'S ABOUT WHAT THIS PRODUCT DOES. I USE THIS CAR FOR TRAVEL FROM NORTH CAROLINA TO CALIFORNIA-AND TO THIS DATE CANT BELIEVE THAT A V-8 CAN GET 30 MPG ON THE HWY-- IT'S TRUE--THE PRODUCT WORK'S...