General Motors 90° V6 engine LB1 and LB4 LB1 and LB4

| Year_ | Horsepower | Torque | Fuel_System | Compression_Ratio | RPO | Applications |
|---|---|---|---|---|---|---|
| 1987–1992 | hp (kW) @ 4000 rpm | lb·ft (N·m) @ 2400 rpm | TBI | 9.1:1 | LB4 | 1367 |
| 1993–1995 | hp (kW) @ 4000 rpm | lb·ft (N·m) @ 2000 rpm | TBI | 9.1:1 | LB4 | 2 |