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<< 1977 Corvette Identification Numbers

1979 Corvette Identification Numbers >>

1978 Corvette Identification Numbers

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VIN Tag Information
Base:  1Z87L8S400001 - 1Z87L8S440274
Pace Car:  1Z87L8S900001 - 1Z87L8S906502
Digit Definition
1st 1 = GM Division = Chevrolet
2nd Z = Series = Corvette
3rd/4th Body Style:  87 = 2-dr. Sport Coupe
5th Engine Type:  L = L48, 4 = L82
6th 8 = Model Year = 1978
7th Assembly Plant:  S = St. Louis, MO.
Last 6 digits Production Number started with 400001 and up for the base model and 900001 and up for the Pace Car.

Engine Suffix ID Numbers
CHW: 350ci, 185hp, (manual transmission)
CLM: 350ci, 185hp, (automatic transmission)
CLR: 350ci, 175hp (automatic transmission, California emissions)
CLS: 350ci, 175hp (automatic transmission, high altitude use)
CMR: 350ci, 220hp (manual transmission)
CMS: 350ci, 220hp (automatic transmission)
CUT: 350ci, 185hp (automatic transmission)

Block ID Numbers
3970010: All 376450, 460703: uncertain usage

Head ID Numbers
462624: All Engines

Carburetor ID Numbers
Rochester Q-jet #17057202: 350ci, 185hp (automatic transmission)
Rochester Q-jet #17057203: 350ci, 185hp (manual transmission)
Rochester Q-jet #17057204: 350ci, 185hp (air conditioning, automatic transmission, first design)
Rochester Q-jet #17057206: 350ci, 185hp (air conditioning, automatic transmission, second design)
Rochester Q-jet #17057210: 350ci, 220hp (automatic transmission)
Rochester Q-jet #17057211: 350ci, 220hp (manual transmission)
Rochester Q-jet #17057228: 350ci, 220hp (air conditioning, automatic transmission)
Rochester Q-jet #17057502: 350ci, 175hp (automatic transmission, California emissions)
Rochester Q-jet #17057504: 350ci, 175hp (air conditioning, automatic transmission, California emissions)
Rochester Q-jet #17057582: 350ci, 175hp (automatic transmission, high altitude use)
Rochester Q-jet #17057584: 350ci, 175hp (air conditioning, automatic transmission, high altitude use)

Alternator ID Numbers
1102474: All engines equipped with air conditioning or rear defroster and early production models.
1102484: All engines
1102908: All engines equipped with air conditioning or rear defogger and late production models.

Distributor ID Numbers
1103285: 350ci, 175hp (California emissions)
1103291: 350ci, 220hp
1103337: 350ci, 185hp (manual transmission)
1103353: 350ci, 185hp (automatic transmission)

Identification
1978 Silver Anniversary Emblem Exterior Emblems:
  • Model Years:  1978 Only
  • Locations Used:
    • All Models:  Front bumper and fuel tank lid.

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