.045.
.050
Spark plug gap is 0.060
0.060
0.40
The spark plug gap for a 1998 Chevy Lumina (with 3.1L or 3.8L engine) is .060".
.060
.35
spark plug gap 2004 Chevy Malibu 3.5 litre
There is a placard under the hood listing the spark plug gap.
.060
,030"
0.060