1990 Pontiac Firebird
1990 Firebird History
Drivers side air bag now standard in the 1990 Firebird. 1990 Pontiac Firebird interior again meets a redesign, this time the changes are much less drastic. Pontiac changes the lower dash and underdash panels in the ’90 Firebird. Accessory switches get new panel above heater and radio controls. Console gets new shift indicator and different leather boot. Steering wheel mounted radio controls disappear from the GTA with the addition of the airbag. 1990 L98 cars were no longer offered with T-Tops due to supposed CAFE restrictions, although 1989 L98 cars were available with T-Tops. Like the 1990 Camaro, the 1990 Firebird also only received a half year production as Pontiac raced to release the 1991. LB9 and L98 platforms updated with new speed density fuel injection. The elimination of the MAF sensor was for cheaper production costs and supposed improved performance.
1990 Pontiac Firebird
Yr | Model | Trans | Engine code/type |
CR | Displ. | HP | Torque | Induc- tion |
Manual std. |
Manual opt. (G92) |
Auto std. |
Auto opt. (G92) |
90 | RS Firebird |
M5,A4 | LH0 V6 | 8.5:1 | 3.1 (191) | 140@4400 | 180@3600 | MFI | 3.42 | —- | 3.23 | —- |
90 | RS Firebird Formula |
M5,A4 | LO3 V8 | 9.3:1 | 5.0 (305) | 170@4000 | 255@2400 | TBI | 3.08 | —- | 2.73 | —- |
90 | IROC-Z Formula Trans Am GTA |
M5,A4 | LB9 V8 | 9.3:1 | 5.0 (305) | 210@4400 | 285@3200 | TPI | 3.08 | —- | 2.73 | —- |
90 | IROC-Z Formula Trans Am |
M5 | LB9 V8 | 9.3:1 | 5.0 (305) | 230@4400 | 300@3200 | TPI | —- | 3.42 | —- | —- |
90 | IROC-Z Formula Trans Am GTA |
A4 | L98 V8 | 9.7:1 | 5.7 (350) | 245@4400 | 345@3200 | TPI | —- | —- | —- | 3.23 |
1990 Pontiac Firebird Production Numbers
Year | Total Production |
Firebird | Formula | Trans Am | Trans Am 1LE | GTA |
1990 | 20,553 | 12,612 | 4,834 | 1,056 | 4 | 1,447 |
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