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.
.035"
.060 of an inch
.035
44
.045.
The proper spark plug gap for a 1980 Chevy 350 Pickup is .045, according to spark plug manufacturer (Autolite, Bosch, NGK) specs.
.045
.045
Remove the spark plug wires from your 1997 Chevy Express 5.7 liter engine spark plugs. Remove the spark plugs with a 5/8 deep well socket, by turning the socket to the left. Reverse the process to install the new spark plugs.
test
.045
0.060 Inch