The spark plug gap in your 1999 Chevrolet suburban is dependent upon the type of engine. The standard engine spark plug gap is .011.
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.
.035
.045
5.7l & 7.4 = .60
0.060
The spark plug gap is listed in your owners manual and under the hood on a placard.
Listed under the hood on a placard and in the owner's manual.
.060 for further info on any spark plug gap, just call autozone or o reillys and they'll tell you exactly what it is for free.
.045 spark plug gap
Spark plug gap chevy ls blazer
The Spark Plug gap is .045
The recommended spark plug gap for a 1994 Chevy 5.7L Pickup is .035" The recommended spark plug gap for a 1994 Chevy 5.7L Pickup is .035"