- 1983–1984 Factory-verified
Must be ordered; two-tone accent color with D91 or Z15; the 1984 chart names it Dark Maroon Metallic
GM Heritage factory kit — 1983 Chevrolet El Camino, p.16.GM Heritage factory kit — 1984 Chevrolet El Camino, p.15.
78M Factory-verified
Also documented for GMC
Documented applications
- 1983 Factory-verified
with D84, over Light Maroon Metallic; read from the two-tone charts; the name comes from the kit brochure's paint list (p.5: paint 78 is Maroon Metallic)
GM Heritage factory kit — 1983 Chevrolet Malibu, p.20.GM Heritage factory kit — 1983 Chevrolet Malibu, p.22.
- 1983–1984 Factory-verified
with D84 custom two-tone, whose chart requires an accent color; the code is the paint color number plus M; the 1984 index names it Dark Maroon Metallic
GM Heritage factory kit — 1983 Chevrolet Monte Carlo, p.29.GM Heritage factory kit — 1984 Chevrolet Monte Carlo, p.35.
This page aggregates every documented appearance of 78M in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.