The Spark Plug gap is .045
It is important to gap the spark plugs at the right size. The spark plug gap for a 1981 305 Monte Carlo is .045 inches.
Per Champion spark plug applications chart, the gap for 1989 Chevy 305 (5.0L) is .035.
0.045
.045
A 2009 Chevrolet Silverado with the 5.3 engine requires a .040" spark plug gap.
.045 plug gap.
the spark gap .060
Spark plug gap is where spark plug spark discharge is designed to take place. On a conventional spark plug, it is the area between the center and the ground electrode.
.045
.045
.045"