the sparkplug gap on an 04 chevy optra is 0.032
Jeff
spark plug
Spark plug gap chevy ls blazer
The 2004 Chevy Express 6.0 liter motor spark plug gap is .032. Most spark plugs will come pre-gapped from the spark plug manufacturer.
0.040
.044 in
spark plug gap 2004 Chevy Malibu 3.5 litre
.043
AC Delco iridiums
.40 gap
mike
,030"
ACDelco conventional spark plug 41-601, .060