TRANSMISSION IDENTIFICATION INCLLIDING AXLE RATIO TRANSMISSION TO ASSEMBLY CODES Nctei Transmission identification can be located in one of three positions on the transmission A Identification plate on side of case B Stamping number on governor cover C Ink stamped on bell housing 1986 ME9 4 SPD A T THM44OT4 6BZ 2 84 RATIO 1987 ME9 4 SPD A T THM44OT4 7FRH 2 97 RATIO 7FZH 2 84 RATIO 1988 ME9 4 SPD A T THM44OT4 8BVH 2 84 RATIO 8BRH 2 97 RATIO 1989 ME9 4 SPD A T THM44OT4 9BPH 2 84 RATIO 9BWH 2 97 RATIO 1 1989 TQQENERAL MOTORS SERVICE PARTS OPERATIONS OLDSMOB LE 32E REV 6 89 13