Muncie Manual Transmission Production Code Explanation

The production code number contains the source code, model year, and build date.

Example:

N 5 D 10

Source Date Model Year Build Month Day Code


S - 3 speed 1985 A=Jan. 10th
(Saginaw Type) B=Feb.
C=March D=April
N - 4 Speed E=May
(117mm) H=June
K=July M=Aug. P=Sept. R=Oct. S=Nov. T=Dec.