3.7L (224 CU IN) L4 Mercury 165 (2 BBL.) MERCURY 224 I/L4 170 (2 BBL.) MERCURY 224 I/L4 180 (4 BBL.) MERCURY 224 I/L4 190 (4 BBL.) MERCURY 224 I/L4 3.7L (2 BBL.) MERCURY 224 I/L4 3.7LX (4 BBL.) MERCURY 224 I/L4 470 (2 BBL.) MERCURY 224 I/L4 485 ENGINE 488R ENGINE