THE ENG NO IS STAMPED ON THE DRIVERS SIDE OF THE ENG BLOCK, TOP LEFT CORNER ,LOOK STRAIGHT DOWN WHERE THE HEATER
HOSES CONNECT TO THE WATER PUMP , THER IS A SECTION OF THE CYL BLOCK THAT STICKS OUT FROM UNDER THE EDGE OF THE HEAD ABOUT 3/8 THS OF AN INCH AND YOU SHOULD BE ABLE TO READ THE NO,S THERE UNLESS THE BLOCK HAS BEEN CHANGED AT SOME TIME IN IT S LIFE , IF SO THE PAD WILL BE BLANK JERRY