1991 Pontiac Firebird & '91 Pontiac Trans Am

dave8412  Jun 7 2006 - 1:54pm   

1991 Pontiac Firebird

1991 Pontiac Firebird History



All 1991 Pontiac Firebird models received restyled noses loosely fashioned after "Banshee" show car as Pontiac was developing the new fourth generation platform. 1991 Pontiac Firebird Trans Am's ground effects restyled as well. 1991 Pontiac Firebird base model available with 1991 Pontiac Firebird Trans Am ground effects. Trans Am and 1991 Firebird Formula receive new fiberglass constructed flat wrap-around wing spoilers. Firebird Formulas ordered with the PW7 Diamond Spoke Aluminum Wheel made it possible to, once again, order a L98 car with factory T-Tops. The new styling brought higher sales, up from 1990's sales. All L98 cars now receive N10 dual cats standard. Trans Am and '91 Firebird GTA get updated 2 piece taillights with "PONTIAC" scripted in orange across the panels. Center high mounted stop lamps move to inside top edge of hatch. '91Firebird convertible reintroduced. Firebirds with T-Tops were sent to ASC for conversion to convertibles. Previously ASC converted cars for customers but it had never been through GM. The '91 Firebird convertible was available with the LHO 3.1L V6, the L03 5.0 V8, and the LB9 5.0 V8. Production improvements led to use of new body sealants that added to the rigidity of the body.

1991 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)
91 RS
Firebird
M5,A4 LH0 V6 8.5:1 3.1 (191) 140@4400 185@3600 MFI 3.42 ---- 3.23 ----
91 RS
Firebird
Formula
M5,A4 LO3 V8 9.3:1 5.0 (305) 170@4000 255@2400 TBI 3.08 ---- 2.73 ----
91 Z28
Formula
Trans Am
GTA
M5,A4 LB9 V8 9.3:1 5.0 (305) 205@4200 285@3200 TPI 3.08 ---- 2.73 ----
91 Z28
Formula
Trans Am
GTA
M5 LB9 V8 9.3:1 5.0 (305) 230@4200 300@3200 TPI ---- 3.42 ---- ----
91 Z28
Formula
Trans Am
GTA
A4 L98 V8 9.7:1 5.7 (350) 245@4400 345@3200 TPI ---- ---- ---- 3.23
1991Pontiac Firebird Production Numbers
Year Total
Production
Firebird Firebird
Convertible
Formula Formula 1LE Trans Am Trans Am 1LE Trans Am
Convertible
GTA Firehawk
1991 51,184 37,162 950 5,490 46 3,452 6 555 2,915 8
 
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