0.035 in.
Gap is .035
The corect gap is .035
0.035" gap
The spark plug gap in your 1999 Chevrolet suburban is dependent upon the type of engine. The standard engine spark plug gap is .011.
.35
THIS BIKE HAS 1MM GAP SETTING
The spark plug gap for a 2004 Chevrolet Suburban should be set at .040 inches. The new spark plugs are pre-gapped and do not need adjusting.
A person must leave the right size gap for the spark plugs when changing them. The 1999 Chevy Suburban has a spark plug gap of .060 inches.
The spark plug gap is listed in your owners manual and under the hood on a placard.
passenger side third spark plug back Driver side ?
1-8-4-3-6-5-7-2
#7 spark plug is the last plug on the left side...that is the drivers side of the truck