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90 History

90 GTA B&W Postcard 1

90 GTA B&W Postcard 2

90 Firebird Owners Manual

90 Firebird Service Manual

1990 was the first year for an Airbag in firebirds, it was standard on all models, and could not be deleted.  The Dash received an update that may go unnoticed, Pontiac installed a foam knee pad for safety.   The Center Console also received a shift indictor that actually worked, This was changed in '90 or '91, the information is not available to when the change took place because the new part superceded the old part, and the old part is no longer listed.

The TPI engines also received a change,  gone was the MAF (mass Air Flow) system and a new MAP (Manifold Air Pressure) or (Manifold Absolute pressure) took its place.  

T-tops do not appear to be an option when ordering a 350 Car, For some reason they were available in 89 and then dropped in 1990 and re-introduced in late 1991.  Not saying they are not out there.

Factoid: 1990 was the first year where the Split rear seat (AM9) was no longer Offered.  On the Formula, the last year was 1987, however it remained an option thru 1989 on the Trans Am and standard on the GTA.

All Formulas received at least the following:

power brakes, center stop lamp, Instrument panel, Center Console, Front Air Dam, Gages, Hatch Pull down, hidden headlamps, Pass Key theft-deterrent system, AM/FM radio, Seat Belts Front & rear, Side window defoggers, Soft ray tinted Glass, Air Bag, Lockable rear Storage compartment, 5 Speed Manual Transmission, Wet-Arm Wipers, 5.0 Liter TBI engine, A/C, Aero Spoiler, "Dome Hood," Formula Graphics, WS6 Performance Suspension, P245/50ZR16 Wheels with Hi-Tech Turbo aluminum (deep dish Wheels)


1SA Options: C60 A/C (standard)

1SB Options includes 1SA &: (B84) Side Moldings (body colored), (A31) Power Windows (included map pockets), (AU3) Power Door Locks

1SC Options includes 1SB &: (AH3) 4 Way manual Seat Adjuster, (K34) Cruise Control, (A90) Rear hatch release, (DC4) Rear view mirror with reading lamps, (DG7) power Outside mirrors.


Other options: 

(NB2) California Emissions,

(D42) Cargo Screen

(C49) rear window defog,

(LB9) 5.0 TPI Engine

(B2L) 5.7 TPI Engine included (MXO) 4 Speed auto, (KC4) oil Cooler, (WS6) Suspension, (J65) 4 wheel disc, (G80) posi traction

(CC1) T-tops (included sunshades)

(VK3) License Plate bracket

(U75) Power Antenna

(AU3) power Door locks

(A31) Power Windows

(UM6) Cassete with Auto reverse

(UX1) Cassete with EQ

(U1A) CD with EQ

(MM5) Manual 5 speed transmission

(MXO) Automatic 4 Speed Trans