1966 Vehicle Identification Number (VIN) Breakdown

An example of a 1966 Chevy II/Nova VIN might read: 118376 W 100001

First Character: GM Division
1 - Chevrolet

Second and Third Characters: Series Designation
11 - 100 series Chevy II, 4 cylinder
13 - 100 series Chevy II, 6 cylinder
14 - 100 series Chevy II, 8 cylinder
15 - 400 series Nova, 6 cylinder
16 - 400 series Nova, 8 cylinder
17 - 400 series Nova SS, 6 cylinder
18 - 400 series Nova SS, 8 cylinder

Fourth and Fifth Characters: Body Style
11 - 2-door sedan
35 - 4-door station wagon
37 - 2-door sport coupe
69 - 4-door sedan

Sixth Character: Model Year
6 - 1966

Seventh Character: Final Assembly Plant
N - Norwood, Ohio
W - Willow Run, Michigan
0 - Oshawa, Ontario, Canada

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.