1975 Vehicle Identification Number (VIN) Breakdown

An example of a 1975 Nova VIN might read: 1Y27L5 W 100001

First Character: GM Division
1 - Chevrolet

Second Character: Series Designation
X - Nova
Y - Nova Custom

Third and Fourth Characters: Body Style
17 - 2-door hatchback
27 - 2-door coupe
69 - 4-door sedan

Fifth Character: Engine Code
D - 250-1 cid L6
G - 262-2 cid V8
H - 350-2 cid V8 (L65)
L - 350-4 cid V8 (L48)

Sixth Character: Model Year
5 - 1975

Seventh Character: Final Assembly Plant
K - Kansas City, Missouri
L - Van Nuys, California
T - Tarrytown, New York
W - Willow Run, Michigan

Eight through Thirteenth characters: Sequence Production Number
The sequential starting production number at each plant was 100001.  Each assembly plant sequenced Chevy IIs/Novas of all series/models without regard to specific series/models.