BUILD MONTH

The build month of the Chevelle is coded as a single letter. First production month for the 1968 Chevelle was August of 1967 in preparation for a September introduction.

LetterMonthLetterMonth
August 1967/19689September 1967
0October 1967NNovember 1967
DDecember 19671January 1968
2February, 19683March 1968
4April 19685May 1968
6June 1968*7July 1968