Vehicle Identification Number (VIN)

Engine can be identified by eighth character of Vehicle Identification Number (VIN) which is stamped on a metal pad located near lower left corner of windshield. A "G" in eighth character of VIN indicates 5.7L V-8 (LS1). A "Y" in tenth character of VIN indicates 2000 model year. A "1" in tenth character indicates 2001 model year. Engine can also be identified by a 3-character engine code (RPO code). This code may be stamped on engine, at flange where engine and transmission meet.