1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981
1978 Trans Am KwikSpecs
Production
Model
Engine
Code
Vin Code
RPO
Trans
Total
Base
400
xxx
Z
L78
4-Man
6,777
Base
400
xxx
Z
L78
3-Auto
57,035
Base
400 T/A 6.6
WC
Z
L78/W72
4-Man
4,112
Base
400 T/A 6.6
X7
Z
L78/W72
3-Auto
4,139
Base
403
U2, U3, VA, VB
K
L80
3-Auto
8,969
Total Base
81,032
Trans Am SE - Black
400
xxx
Z
L78
4-Man
6,777
Trans Am SE - Black
400
xxx
Z
L78
3-Auto
57,035
Trans Am SE - Black
400 T/A 6.6
WC
Z
L78/W72
4-Man
4,112
Trans Am SE - Black
400 T/A 6.6
X7
Z
L78/W72
3-Auto
4,139
Trans Am SE - Black
403
U2, U3, VA, VB
K
L80
3-Auto
8,969
Total Trans Am SE - Black
81,032
Trans Am SE - Gold
400
xxx
Z
L78
4-Man
6,777
Trans Am SE - Gold
400
xxx
Z
L78
3-Auto
57,035
Trans Am SE - Gold
400 T/A 6.6
WC
Z
L78/W72
4-Man
4,112
Trans Am SE - Gold
400 T/A 6.6
X7
Z
L78/W72
3-Auto
4,139
Trans Am SE - Gold
403
U2, U3, VA, VB
K
L80
3-Auto
8,969
Total Trans Am SE - Gold
81,032
Total Trans
81,032
Total 400
4-Man
81,032
Total T/A 6.6
4-Man
81,032
Total 4-Speed
81,032
Total 400
3-Auto
81,032
Total T/A 6.6
3-Auto
81,032
Total 403 (Olds)
3-Auto
81,032
Total Automatic
4-Man
81,032

Dimensions
Wheelbase
108.1"
Curb Weight
3360 lbs
Length
191.6"
Height
50.4"
Track
Front
61.3"
Rear
60.0"
Legroom
Front
43.9"
Rear
28.4"
Headroom
Front
37.2"
Rear
35.9"
Shoulder Room
Front
57.4"
Rear
54.4"
Hiproom
Front
52.4"
Rear
46.3
Fuel Capacity

21 gal
Tires Size
Std
GR70-15
Tires Size
Opt (Req WS6)
P225/70-15
Wheels
Rally II
Std
15"x7"
Snoflake Aluminum
Opt
15"x7"
Snoflake Aluminum
Opt(Req WS6)
15"x8"
Brakes
Front
Disc
11" Dia
Rear
Drums
9.5"x2"
Transmissions
Speeds
Usage
#
4-Manual
Opt
#
3-Auto
Opt
Engines
CID-Version
Code
Trans
HP@RPM
Torque @RPM
400
Wl, WC
4M
180@3600
325@1600
400
YE, YA
3A
180@3600
325@1600
400 - T/A 6.6
YE, YA
3A
220@4000
320@2800
400 - T/A 6.6
YE, YA
3A
220@4000
320@2800
403 (Olds)
YE, YA
3A
185@4800
320@2200
Performance
Acceleration
0-60 mph
7.2 sec.
0-80 mph
7.2 sec.
1/4 Mile
15.3 sec.
90 mph
Top Speed
123 mph
Braking
60-0
149 ft.
Road Holding
Skid Pad
.83g