Look for your PRO code in the glove box, to confirm the transmission. I think you have a Borg-Warner T5/World ClassT5 5 Speed (RWD) but to confirm which on you need to know your Pro code for the transmission. Think the World Class T5 was not available till 1993 so you have a non W/C T5. (MB1)
PRO code (MB1) - Available 1982 to 1992 TRANSMISSION,MANUAL 5-SPEED(BORG-WARNER) 5-SPD M/TRANS(MB1).
ML2 - Available 1983 to 2003
TRANSMISSION,MANUAL 5-SPEED(BORG-WARNER) 5-SPD M/TRANS(ML2)
ML3 - Available 1982 to 1994
TRANSMISSION,MANUAL 5-SPEED(BORG WARNER 77MM) 5-SPD M/TRANS(ML3)