How to Decode Your 1974 Corvette VIN – Full Breakdown & Guide
Authenticate your 1974 Corvette and discover its factory specifications with our VIN and trim tag decoder. Enter your VIN to reveal engine, body, and transmission details. This decoder validates your car's production data. The trim tag information includes original interior and exterior colors and the production date, valuable for accurate restoration.
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| 1974 VIN range | 1Z37J4S400001 – 1Z37J4S437502 |
In 1974, a total of 37,502 Corvettes were manufactured, comprising 32,028 Coupes and 5,474 Convertibles.
You can use the Corvette C3 Decoder to decode other Corvette 1974 codes and view Corvette 1974 charts on the Corvette C3 chart article. All specifications and VIN decoding details are based on official Chevrolet data from GM’s 1974 Corvette Vehicle Information Kit .
1974 Corvette Specifications
Get accurate color information for your 1974 Corvette. Below, you'll find a comprehensive listing of available exterior and interior colors, along with their color codes and visual representations. This guide is helpful for verifying the authentic factory colors of your 1974 Corvette model.
Exterior Colors
| Code | Color | Color sample |
|---|---|---|
| 910 | Classic White | |
| 914 | Silver | |
| 917 | Corvette Gray | |
| 922 | Corvette Medium Blue | |
| 948 | Corvette Dark Green | |
| 956 | Bright Yellow | |
| 968 | Dark Brown | |
| 974 | Medium Red | |
| 976 | Mille Miglia Red | |
| 980 | Corvette Orange |
Interior Colors
The 1974 Corvette offered buyers a choice of either leather or vinyl interior upholstery. Color options varied slightly depending on the chosen material.
| Code | Color | Color sample |
|---|---|---|
| 400 | Black Vinyl | |
| 404 | Black Leather | |
| 425 | Dark Red Vinyl | |
| 413 | Dark Blue Vinyl | |
| 415 | Medium Saddle Vinyl | |
| 416 | Medium Saddle Leather | |
| 406 | Silver Vinyl | |
| 407 | Silver Leather | |
| 408 | Neutral Vinyl |
Color combinations
The 1974 Corvette featured a variety of interior color choices, allowing customers to tailor their vehicle’s appearance. Chevrolet offered leather and vinyl options, enabling buyers to coordinate their interior with their exterior color.
| Exterior | Quantity | Interior |
|---|---|---|
| Classic White | n/a | Black / Dark Blue / Dark Red / Neutral / Saddle / Silver |
| Silver Mist | n/a | Black / Dark Blue / Dark Red / Neutral / Silver |
| Corvette Gray | n/a | Black / Dark Blue / Dark Red / Neutral / Saddle / Silver |
| Corvette Medium Blue | n/a | Black / Dark Blue / Silver |
| Dark Green | n/a | Black / Neutral / Saddle / Silver |
| Bright Yellow | n/a | Black / Neutral / Saddle / Silver |
| Dark Brown | n/a | Black / Neutral / Saddle / Silver |
| Medium Red | n/a | Black / Dark Red / Neutral / Saddle / Silver |
| Mille Miglia Red | n/a | Black / Dark Red / Neutral / Saddle / Silver |
| Corvette Orange | n/a | Black / Neutral / Saddle / Silver |
Chassis
| Wheelbase | Length | Width | Weight |
|---|---|---|---|
| 98 in | 185.5 in | 69.0 in | Coupe: Curb: 3,390 lb; Shipping: 3,309 lb Convertible: Curb: 3,396 lb; Shipping: 3,315 lb |
Curb weight: Weight of the empty vehicle ready to drive. Shipping weight plus the weight of gasoline and water.
Shipping weight: Weight of the basic vehicle with regular equipment, grease, and oil. Weight of gasoline and water not included.
1974 Corvettes were outfitted with GR70-15 radial tires. Learn more about the tires used on Corvettes in the article Corvette C3 RPM Calculator.
Engines
| Engine Code |
Order Code | CI | HP | Equipment |
|---|---|---|---|---|
| CKZ | L48 | 350 | 195 | 4-Speed |
| CLA | L48 | 350 | 195 | TH400 |
| CLB | L48(California) | 350 | 195 | 4-Speed |
| CLC | L48(California) | 350 | 195 | TH400 |
| CLD | L82 | 350 | 250 | TH400 |
| CLH | L82(California) | 350 | 250 | TH400 |
| CLR | L82 | 350 | 250 | 4-Speed |
| CLS | L82(California) | 350 | 250 | 4-Speed |
| CWM | LS4 | 454 | 270 | 4-Speed |
| CWR | LS4 | 454 | 270 | TH400 |
| CWS | LS4(California) | 454 | 270 | TH400 |
| CWT | LS4(California) | 454 | 270 | 4-Speed |
You can read more from the Corvette C3 Engines article.
Transmissions
| Code | Type | Transmission |
|---|---|---|
| P | Manual | Muncie 4-Speed |
| A | Manual | M20 Muncie 4-Speed with wide gear ratio |
| B | Manual | M21 Muncie 4-Speed with close gear ratio |
| W | Manual | Warner 4-Speed |
| CK | Automatic | Turbo Hydra-Matic 400 with L48 350 engine |
| CZ | Automatic | Turbo Hydra-Matic 400 with L82 350 engine |
| CS | Automatic | Turbo Hydra-Matic 400 with 454 engine |
You can read more from the Corvette C3 Transmissions article.
1974 Corvette RPO
Chevrolet offered a number of options to allow buyers to customize their Corvette to their exact specifications.
| Code | Option | Total |
|---|---|---|
| 1YZ37 | Corvette sport coupe | 32,028 |
| 1YZ67 | Corvette convertible | 5,474 |
| A31 | Power windows | 23,940 |
| Base | Vinyl trim | 12,069 |
| - | Leather trim | 19,959 |
| A85 | Custom shoulder harness | 618 |
| C07 | Auxiliary hardtop | 2,612 |
| C08 | Auxiliary hardtop vinyl | 367 |
| C50 | Rear window defroster | 9,322 |
| C60 | Air conditioning | 29,397 |
| FE7 | Gymkhana suspension | 1,905 |
| J50 | Power brakes | 33,306 |
| LS4 | 454 270 hp engine | 3,494 |
| L48 | 350 195 hp engine | 27,318 |
| L82 | 350 250 hp engine | 6,690 |
| M20 | 4-speed standard manual transmission | 8,862 |
| M21 | 4-speed close-ratio manual transmission | 3,494 |
| M40 | Turbo Hydra-Matic transmission | 25,146 |
| N37 | Tilt-telescopic steering column | 27,700 |
| N40 | Power steering | 35,944 |
| QRM | GR70 x 15 white stripe radial tires | 9,140 |
| QRN | GR70 x 15 blackwall radial tires | 4,260 |
| QRZ | GR70 x 15 white lettered radial tires | 24,102 |
| U05 | Dual horns | 5,258 |
| U58 | AM-FM stereo radio | 19,581 |
| U69 | AM-FM radio | 17,374 |
| UA1 | Heavy-duty battery | 9,169 |
| UF1 | Map light | 16,101 |
| UL5 | Radio delete | 547 |
| YF5 | California emissions | - |
| Z07 | Off-road suspension and brakes | 47 |
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Other articles
General information:
- Corvette C3 years
- Corvette Specs, Colors, etc. by year:
1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 - Is the Corvette C3 always a Stingray?
- Corvette C3 charts
- Corvette C3 books
- Mako Shark II
- Corvette L88
- Greenwood Corvettes
- Reader's Wheels: Corvette 1968
- Restomod Corvette C3s
- Corvette C3 Buyer's Checklist
Technical:
- Corvette C3 & Rochester Quadrajet
- Corvette C3 engines
- Corvette C3 transmissions
- Corvette C3 RPM calculator
- Corvette C3 emission systems
- Corvette C3 birdcage and rust
- Number matching and RPO
- Corvette C3 oils
Interior and Exterior Features:
- Corvette C3 Special Editions
- Corvette C3 cockpit / gauges
- Corvette C3 seats / seatbelts
- Corvette C3 door panels
- Corvette C3 emblems
- Corvette C3 side pipes (1969)
- Corvette C3 wheels
- Corvette C3 luggage racks
- Roof Options of the Corvette C3
