- The serial number [Vehicle Identification Number -- VIN] was stamped on a plate on the inner vertical surface of the left windshield pillar visible through the windshield.
- Convertible Serial numbers ranged from 1Z67*5S400001 to 1Z67*5S438465
- Coupe Serial numbers ranged from 1Z67*5S400001 to 1Z67*5S438465
| Position | Character | Description
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| 1 | 1 | Chevrolet Division
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| 2 | Z | Corvette
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| 3 & 4 | 67 | convertible
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| 37 | coupe
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| 5 | * | Engine type where * is replaced by the following
- J = ZQ3 350-cid V8, 165-hp, 4-barrel
- T = L82 350-cid V8, 205-hp, 4-barrel
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|---|
| 6 | 5 | 1975
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| 7 | S | Assembled in St. Louis, MO
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| 8 to 13 | 400001 to 438465 | production sequence
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- Engine serial number
| 1 to 7 | 0001001 | sequential production number
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| 8 | F or T | Flint, MI or Tonawanda, NY
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| 9 to 11 | Carburetion & transmission
| Code | Engine | Compression | transmission | Carburetor
|
|---|
| CUB | 350-cid 165-hp V-8 | 8.5:1 | manual | four-barrel
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| CUD | 350-cid 205-hp V-8 | 9.0:1 | manual | four-barrel
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|---|
| CRK | 350-cid V-8 | | THM-400 automatic | four-barrel
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|---|
| CRL | 350-cid V-8 | | manual | four-barrel
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| CRM | 350-cid V-8 | | THM-400 automatic | four-barrel
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|---|
| CUT | 350-cid V-8 | | manual | four-barrel
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| CUA | 350-cid V-8 | | manual | four-barrel
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|---|
- Corvette engines have the last six digits of the VIN stamped on the block next to the engine number
- The body number plate was located on the engine side of the cowl.
- The Fisher Body Style Number 75-1YZ67 identifies a Corvette Stingray convertible
- The Fisher Body Style Number 75-1YZ37 identifies a Corvette Stingray coupe
- The body number is the production serial number of the body.
- The trim number indicates the interior trim color and material.
- The ten 1975 Corvette exterior colors were:
- 22 = Bright Blue
- 42 = Bright Green
- 56 = Bright Yellow
- 10 = Classic White
- 74 = Dark Red
- 67 = Medium Saddle
- 76 = Mille Miglia Red
- 70 = Orange Flame
- 13 = Silver
- 27 = Steel Blue
- Upholstery Codes
| Color | Vinyl Upholstery | Leather Upholstery
|
|---|
| Black | 400 | 404
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|---|
| Silver | 406 | 407
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| Neutral | 408 |
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| Dark Blue | 413 |
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| Saddle | 415 | 416
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| Dark Red | 425 |
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