Hitman's Pontiac Trans Am Site

Production Numbers

Model: Firebird V-6
Manual: **
Automatic: **
Total: 1,370

Model: Firebird V-8
Manual: **
Automatic: **
Total: 12,726

Model: Esprit
Manual: **
Automatic: **
Total: 17,299

Model: Formula 350
Manual: **
Automatic: **
Total: 4,771

Model: Formula 400
Manual: **
Automatic: **
Total: 4,622

Model: Formula 455
Manual: **
Automatic: **
Total: 5730

Model: Formula SD455
Manual: **
Automatic: **
Total: 43

Model: Trans Am 455
Manual: 1,420
Automatic: 3,130
Total: 4,550

Model: Trans Am SD455
Manual: 72
Automatic: 180
Total: 252

Cowl Tag

ST - Style

73 - Model Year

2 - Division number
2 - Pontiac

F - Body Type
F - Firebird

S - Series
S - Firebird
T - Esprit
U - Formula
V - Trans Am

87 - Body Style

N - Assembly Plant
N - Norwood, OH

73214 - Fisher Body Unit Number

BDY - Body

TR - Trim

421 - Interior Trim Code
321 White Vinyl (standard)
421 White Cloth (deluxe)
331 Saddle Vinyl (standard)
431 Saddle Vinyl (deluxe)
361 Black Vinyl (standard)
461 Black Vinyl (deluxe)
551 Beige Cloth (deluxe)
471 Burgandy Vinyl (deluxe)

A51 - Bucket Seats

11 - Lower Body Paint Code
11 Cameo White
24 Porcelain Blue
26 Regatta Blue
29 Admiralty Blue
42 Verdant Green
44 Slate Green
46 Golden Olive
48 Brewster Green
51 Sunlight Yellow
56 Desert Sand
60 Valencia Gold
64 Ascot Silver
68 Burma Brown
74 Florentine Red
75 Buccaneer Red
97 Navajo Orange

11 - Upper Body Paint Code
11 Cameo White
24 Porcelain Blue
26 Regatta Blue
29 Admiralty Blue
42 Verdant Green
44 Slate Green
46 Golden Olive
48 Brewster Green
51 Sunlight Yellow
56 Desert Sand
60 Valencia Gold
64 Ascot Silver
68 Burma Brown
74 Florentine Red
75 Buccaneer Red
97 Navajo Orange

Vinyl Top Colors:
1 White
2 Black
3 Beige
4 Chamois
5 Green
6 Dark Burgandy
7 Blue

PNT - Paint

06B - Assembly Date
01 - January
02 - February
03 - March
04 - April
05 - May
06 - June
07 - July
08 - August
09 - September
10 - October
11 - November
12 - December
A - First Week
B - Second Week
C - Third Week
D - Fourth Week
E - Fifth Week

WS4 - STrans Am

755824 - Fisher Time Date Code

Now this is just a sample of a 1973 Cowl Tag. Your cowl tag may differ and have some different codes listed on there. For a list of more codes, check out the RPO page.

VIN Number

Example: 2T87N3N100001

1st digit - GM Division
2 = Pontiac

2nd digit - Car Line Series
S = Firebird
T = Esprit
U = Formula
V = Trans Am

3rd and 4th digit - Body Type
87 = 2 door Sport Coupe

5th digit - Engine Code
D = 250 c.i.d, 1-bbl V6 (1972 - 76)
M = 350 c.i.d, 2-bbl V8 (single exhaust) (1972 - 76)
N = 350 c.i.d, 2-bbl V8 (dual exhaust) (1972 - 74)
R = 400 c.i.d, 2-bbl V8 (single exhaust) (1972 -74)
P = 400 c.i.d, 2-bbl V8 (dual exhaust) (1972 -74)
S = 400 c.i.d, 4-bbl V8 (1975 - 76)
T = 400 c.i.d, 4-bbl V8 (dual exhaust) (1972 -74)
X = 455 c.i.d, 4-bbl V8 (H.O.) (1972)
X = 455 c.i.d, 4-bbl V8 (Super Duty) (1973 -74)
Y = 455 c.i.d, 4-bbl V8 (dual exhaust)

6th digit - Model Year
3 = 1973

7th digit - Assembly Plant
N = Norwood, Ohio
L = Van Nuys, California

Last 6 digits - Production Number
100001/up

1973

The most powerful engine to hit the streets, the 455 Super Duty

Production Numbers

Cowl Tag

VIN Number

Example: 2T87N3N100001