1989 Pontiac Firebird & '89 Pontiac Trans Am

dave8412  Jun 7 2006 - 1:39pm   

1989 Pontiac Firebird

1989 Pontiac Firebird History



GM makes new N10 dual catalytic converter exhaust available for the '89 Firebird, freeing up 13% more power from some LB9 and L98 equipped 1989 Pontiac Firebird Trans Am's. 1989 Firebird models optioned with t-tops receive new Lexan plastic tops. The new tops are lighter in weight and tinted darker, but are more dome shaped and age rapidly. GM replaces many sets with glass under warranty, but the Lexan tops continue through 1992. All rear disc brake optioned Firebirds now receive PBR brake calipers and larger brake rotors. This resolved issues GM encountered with the earlier rear discs, and increased stopping power. Introduction of GM's Vehicle Anti Theft System or V.A.T.S. makes all 1989 Pontiac Firebird models more theft resistant by incorporating a small resistor into the key. VATS equipped cars also display antitheft system warning decals in the lower rear corners of side windows. Shoulder belts are added in the back. The 1989 Pontiac Firebird Trans Am is selected to pace the Indianapolis 500. Pontiac markets a new 1989 Pontiac Firebird pace car replica. This special 20th Anniversary 1989 Pontiac Firebird Turbo Trans Am (TTA) based on the GTA is only available in white with tan interior and comes equipped with a Buick 3.8L V6 with a turbocharger developed from the Grand National. These 1989 Firebird replicas are as close to the actual pace car as any replica offered up to this time. The only changes made to the cars that actually were on the track during the race were the additions of strobe lights and safety equipment. 1,555 were produced, 5 being test cars. Out of 1,550 cars produced by PAS, the actual pace cars were randomly selected and sent to Indy for testing and modification. When they were released to the public they were underrated in power. Not all came with T-Tops or came with leather either, there were hardtops and cloth cars. Every car in the 1989 Pontiac Firebird Pace car replica line has an an automatic transmission, the 2004R. The five test TTA's, because they were for pre-production use, were pulled off of the assembly line without regard to color and they were not white. At least two of these test cars were sold to private individuals. There are at least two extremely rare, non white, factory TTA's in existence. Its known that one is red and the other is black. GM did not offer a factory convertible TTA. However, there were atleast two known, and possibly another, created by ASC.

1989 Firebird Trans Am GTA TTA Numbers:

  • 1,324 T-Top & Leather Interior
  • 187 T-Top & Cloth Interior
  • 24 Hardtop & Leather Interior
  • 15 Hardtop & Cloth Interior (Base)
  • 4 Test Cars with T-Top & Cloth Interior
  • 1 Test Car with Hardtop & Leather Interior

1989 Pontiac Firebird Drivetrain List
Yr Model Trans Engine
code/type
CR Displ. HP Torque Induc-
tion
Manual
std.
Manual
opt.
(G92)
Auto
std.
Auto
opt.
(G92)
89 RS
Firebird
M5,A4 LB8 V6 8.9:1 2.8 (173) 135@4900 160@3900 MFI 3.42 ---- 3.42 ----
89 RS
Firebird
M5,A4 LO3 V8 9.3:1 5.0 (305) 170@4400 255@2400 TBI 3.08 ---- 2.73 ----
89 IROC-Z
Formula
Trans Am
M5,A4 LO3 V8 9.3:1 5.0 (305) 170@4400 255@2400 TBI 3.08 ---- 2.73 ----
89 IROC-Z
Formula
Trans Am
A4 LB9 V8 9.3:1 5.0 (305) 195@4000 295@2800 TPI ---- ---- 2.73 ----
89 IROC-Z
Formula
Trans Am
M5 LB9 V8 9.3:1 5.0 (305) 220@4400 290@3200 TPI 3.08 ---- ---- ----
89 IROC-Z
Formula
Trans Am
GTA
M5 LB9 V8 9.3:1 5.0 (305) 230@4600 300@3200 TPI ---- 3.45* ---- ----
89 IROC-Z
Formula
Trans Am
A4 L98 V8 9.3:1 5.7 (350) 230@4400 330@3200 TPI ---- ---- 2.77* ----
89 IROC-Z
Formula
Trans AM
GTA
A4 L98 V8 9.3:1 5.7 (350) 240@4400 345@3200 TPI ---- ---- ---- 3.27*
89 Turbo Trans Am (TTA) A4 LC2 V6 8.0:1 3.8 (231) 250@4400 340@2800 SFI ---- ---- 3.27* ----
*Borg-Warner rear axle
1989 Pontiac Firebird Production Numbers
Year Total
Production
Firebird Firebird
Convertible
Formula Trans Am Trans Am 1LE Trans Am
Convertible
GTA Turbo
Trans Am
1989 64,409 31,876 396: Firebird, T/A, and GTA all together 16,670 5,701 26 396: Firebird, T/A, and GTA all together 8,081 1,550 (1,555 including test cars)
 
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