0.40
Spark Plug gap for a 1986 Chevy Nova 1.6L is .043.
Spark plug gap for a 1977 Corvette using ACDelco R45TS is .035
The spark plug gap for your Mercedes is .032
.040
.035
The spark plug gap for a 1977 Olds 403 is listed as .060 inches.
.35 Gap
.045.
.045
35mm
The Gap is .030
All V8 Chevy plug gaps in 1977 was factory .045