I MF03 080 RPO DEFINITIONS I GU5 AXLE REAR 3 23 RATIO KC4 COOLING SYSTEM ENG NE OIL LT1 ENGINE GAS 8 CYL 5 7L 5 7P MFI HO MD8 TRANSMISSION AUTOMAT C 4 SPEED THM70OR4 4L60 M28 TRANSMISSION MAN 6 SPD BORG WARNER 85MM 3 36 IST 1 35 3RD M29 TRANSMISSION MAN 6 SPD BORG WARNER 85MM 2 97 1ST 1 44 3RD M49 TRANSMISSION MAN 5 SPD BORG WARNER 77MM 3 75 1ST 76 BTH O D 1993 GENERAL MOTORS SERVICE PARTS OPERATIONS CHEVROLET 18F 1 3 000 G RO UP 3 22 4 I5 93I