Pontiac Firebird · 1967–1969
Firebird VIN decoder
Type the VIN of a first-generation Firebird. The decoder reads it against the code tables on our year pages, and every table is sourced below.
Decode a VIN
What the 13 characters mean
| Position | Meaning | Example (1968) |
|---|---|---|
| 1 | Make: 2 = Pontiac | 2 |
| 2–3 | Series: 23 = Firebird, six-cylinder, 24 = Firebird, V8 | 24 |
| 4–5 | Body: 37 = hardtop, 67 = convertible | 37 |
| 6 | Model year: 8 = 1968 | 8 |
| 7 | Plant: U = Lordstown, Ohio, L = Van Nuys, California | U |
| 8–13 | Unit number, from 100,001 in 1968 | 100001 |
Example: An example built from our reading of the code tables on this page, not a real car's VIN: a Firebird V8 hardtop, 1968, Lordstown, Ohio, unit 100001.12
The code tables, year by year
Each table is the one on the year page, with its sources.
1967 · position 6 is 7 · 6 engines
| Position | Meaning |
|---|---|
| 2 | Division: Pontiac |
| 23 · 24 | Series: Firebird with a six · with a V8 |
| 37 · 67 | Body: hardtop · convertible |
| 7 | Model year (1967) |
| U | Assembly plant (codes: Rubber The Right Way; years: Wikipedia; our combination) |
| 100001 → (V8) · 600001 → (six) | Sequential unit number (six digits), by Tin Indian's account for the GTO |
| Code | Engine | Rated |
|---|---|---|
| Std. | 230 cu in overhead-cam six, 1-barrel (Firebird) | 165 hp |
| W53 | 230 cu in overhead-cam six, 4-barrel (Sprint) | 215 hp |
| L30 | 326 cu in V8, 2-barrel (Firebird 326) | 250 hp |
| L76 | 326 cu in H.O. V8, 4-barrel (Firebird H.O.) | 285 hp |
| W66 | 400 cu in V8, 4-barrel (Firebird 400) | 325 hp |
| L67 | 400 cu in Ram Air V8, 4-barrel (Firebird 400 option) | 325 hp |
Where to find it: On a plate on the left front body hinge pillar, below the upper door hinge, by Tin Indian's account for the GTO of 1965–67; no Firebird-specific source we have gives the location.1one source Sources for the codes1234. The 1967 page →
1968 · position 6 is 8 · 8 engines
| Position | Meaning |
|---|---|
| 2 | Division: Pontiac |
| 23 · 24 | Series: Firebird with a six · with a V8 |
| 37 · 67 | Body: hardtop · convertible |
| 8 | Model year (1968) |
| U · L | Assembly plant (codes: Rubber The Right Way; years: Wikipedia; our combination) |
| 100001 → (V8) · 600001 → (six) | Sequential unit number (six digits), by Tin Indian's account for the GTO |
| Code | Engine | Rated |
|---|---|---|
| Std. | 250 cu in overhead-cam six, 1-barrel (Firebird) | 175 hp |
| W53 | 250 cu in overhead-cam six, 4-barrel (Sprint) | 215 hp |
| L30 | 350 cu in V8, 2-barrel (Firebird 350) | 265 hp |
| L76 | 350 cu in H.O. V8, 4-barrel (Firebird H.O.) | 320 hp |
| W66 | 400 cu in V8, 4-barrel (Firebird 400) | 330 hp |
| L74 | 400 cu in H.O. V8, 4-barrel | 335 hp |
| L67 | 400 cu in Ram Air V8, 4-barrel (until March 1968) | 335 hp |
| L67 | 400 cu in Ram Air II V8, 4-barrel (from March 1968) | 340 hp (open ruling) |
Where to find it: On a plate on top of the instrument panel, driver's side, visible through the windshield, by Tin Indian's account for the GTO of 1968–71; no Firebird-specific source we have gives the location.1one source Sources for the codes12356. The 1968 page →
1969 · position 6 is 9 · 8 engines
| Position | Meaning |
|---|---|
| 2 | Division: Pontiac |
| 23 · 24 | Series: Firebird with a six · with a V8 |
| 37 · 67 | Body: hardtop · convertible |
| 9 | Model year (1969) |
| U · L · N | Assembly plant (codes: Rubber The Right Way; years: Wikipedia; our combination) |
| 100001 → (V8) · 600001 → (six) | Sequential unit number (six digits), by Tin Indian's account for the GTO |
| Code | Engine | Rated |
|---|---|---|
| Std. | 250 cu in overhead-cam six, 1-barrel (Firebird) | 175 hp |
| W53 | 250 cu in overhead-cam six, 4-barrel (Sprint), manual | 230 hp |
| W53 | 250 cu in overhead-cam six, 4-barrel (Sprint), Turbo Hydra-Matic | 215 hp |
| L30 | 350 cu in V8, 2-barrel (Firebird 350) | 265 hp |
| L76 | 350 cu in H.O. V8, 4-barrel (Firebird H.O.) | 325 hp |
| W66 | 400 cu in V8, 4-barrel (Firebird 400) | 330 hp |
| L74 | 400 cu in H.O. V8, 4-barrel (with Ram Air on the Trans Am) | 335 hp |
| L67 | 400 cu in Ram Air IV V8, 4-barrel | 345 hp |
Where to find it: On a plate on top of the instrument panel, driver's side, visible through the windshield, by Tin Indian's account for the GTO of 1968–71; no Firebird-specific source we have gives the location.1one source Sources for the codes123678. The 1969 page →
Sources
- Pontiac GTO VIN Decoding Tin Indian Performance · read 2026-10-11
- Pontiac VIN Decoder 1965-2002 Rubber The Right Way · read 2026-10-11
- Pontiac Firebird Wikipedia · read 2026-10-12
- 1967 Pontiac Firebird AMA Specifications Pontiac Motor Division, General Motors · read 2026-10-12
- 1968 Pontiac Firebird AMA Specifications Pontiac Motor Division, General Motors · read 2026-10-12
- 1967, 1968, 1969 Pontiac Firebird HowStuffWorks (Consumer Guide Automotive) · read 2026-10-12
- 1969 Pontiac Firebird AMA Specifications Pontiac Motor Division, General Motors · read 2026-10-12
- 1969 Pontiac Firebird Fact Sheet Over-Drive Magazine · read 2026-10-12













