1987
Example: 1G1YY2182H5123456
1 - Country of Origin (1=U.S.)
2 - Manufacturer (G=General Motors)
3 - Make (1=Chevrolet)
4-5 - Carline/Series (YY=Corvette)
6 - Body Style (2=Two-door hatchback, 3=Two-door convertible)
7 - Restraint Code (1=Manual belts)
8 - Engine Type (8=350ci/240hp)
9 - Check digit (Varies by VIN)
10 - Model Year (H=1987)
11 - Plant (5=Bowling Green, Kentucky)
12-17 - Production Sequence Number (100001 through 130632)

1988
Example: 1G1YY2182J5123456
1 - Country of Origin (1=U.S.)
2 - Manufacturer (G=General Motors)
3 - Make (1=Chevrolet)
4-5 - Carline/Series (YY=Corvette)
6 - Body Style (2=two-door hatchback, 3=two-door convertible)
7 - Restraint Code (1=Manual belts)
8 - Engine Type (8=350ci/240hp or 350ci/245hp)
9 - Check digit (Varies by VIN)
10 - Model Year (J=1988)
11 - Plant (5=Bowling Green, Kentucky)
12-17 - Production Sequence Number (100001 through 122789)

1989
Example: 1G1YY2186K5123456
1 - Country of Origin (1=U.S.)
2 - Manufacturer (G=General Motors)
3 - Make (1=Chevrolet)
4-5 - Carline/Series (YY=Corvette)
6 - Body Style (2=Two-door hatchback/liftback, 3=Two-door convertible)
7 - Restraint Code (1=Manual belts)
8 - Engine Type (8=350ci/240hp or 350ci/245hp)
9 - Check digit (Varies by VIN)
10 - Model Year (K=1989)
11 - Plant (5=Bowling Green, Kentucky)
12-17 - Production Sequence Number (100001 through 126328)

1990
Example: 1G1YY2380L5123456
1 - Country of Origin (1=U.S.)
2 - Manufacturer (G=General Motors)
3 - Make (1=Chevrolet)
4-5 - Carline/Series (YY=Corvette)
6 - Body Style (2=Two-door hatchback/liftback, 3=Two-door convertible)
7 - Restraint Code (3=Manual belts with Driver Inflatable Restraint System)
8 - Engine Type (8=350ci/245hp or 350ci/250hp, J=350ci/375hp)
9 - Check digit (Varies by VIN)
10 - Model Year (L=1990)
11 - Plant (5=Bowling Green, Kentucky)
12-17 - Production Sequence Number (Coupes/convertibles 100001 through 120597, ZR1s 800001 through 803049)

1991
Example: 1G1YY2386M5123456
1 - Country of Origin (1=U.S.)
2 - Manufacturer (G=General Motors)
3 - Make (1=Chevrolet)
4-5 - Carline/Series (YY=Corvette)
6 - Body Style (2=Two-door hatchback/liftback, 3=Two-door convertible)
7 - Restraint Code (3=Active [manual] belts with Driver Inflatable Restraint System)
8 - Engine Type (8=350ci/245hp or 350ci/250hp, J=350ci/375hp)
9 - Check digit (Varies by VIN)
10 - Model Year (M=1991)
11 - Plant (5=Bowling Green, Kentucky)
12-17 - Production Sequence Number (Coupes/convertibles 100001 through 118595, ZR1s 800001 through 802044)