the gap is 0.060 inches
.60
Spark plug gap chevy ls blazer
To much resistance in the spark plug wires, replace the spark plug wires.
.60
You need a 5/8" spark plug socket.
Follow the spark plug wires, they will lead you right to them.
06.0 on a 4cylinder 2wd s10
.035
40
The diagram.
0.060 Inch
.40 gap