Engine Summary (with corresponding RPO code):
1982–1983: LU5 5.0L V8, 165–175 hp and 240–250 ft·lbf
1982–1984: LC1 2.8L V6, 102–107 hp and 142–145 ft·lbf
1982–1985: LQ8 2.5L I4, 88–92 hp and 132–134 ft·lbf
1982–1987: LG4 5.0L V8, 145–170 hp and 240–250 ft·lbf
1983–1984: LL1 2.8L V6, 125 hp and 145 ft·lbf (197 N·m)
1983–1986: L69 5.0L V8, 190 hp and 240 ft·lbf (330 N·m)
1985–1989: LB8 2.8L V6, 135 hp and 165 ft·lbf (224 N·m)
1985–1992: LB9 5.0L V8, 190–230 hp and 275–300 ft·lbf
1987–1992: L98 5.7L V8, 210–240 hp and 315–340 ft·lbf
1988–1992: L03 5.0L V8, 170 hp and 255 ft·lbf (346 N·m)
1989: LD5 (LC2) 3.8L V6, 250 hp and 340 ft·lbf (turbocharged engine)
1990–1992: LH0 3.1L V6, 140 hp and 180 ft·lbf (240 N·m)