What is the spark plug gap suppose to be on an irdium spark plug for a 2003 1500 5.3L T?
2003 1500 Series 2wd Chevrolet Sylverado 5.3L Engine. Spark plug gap for this engine is .040.
Factory says--0.060 plug gap.
The spark plug gap on a 1999 Suzuki Intruder 1500 is 0.035 inch. This is a common spark plug gap size for motorcycles.
.031-.033, .8-.9mm
0.060 inches
the spark plug gap is .054in. for 2003 ford focus.
.040 inch
It is important to keep the spark plug gap in mind when replacing the spark plugs of a car. For a 2003 Kia Spectra the spark plug gap is .039-.043 inches.
The recommended spark plug gap for a 2003 Ford Expedition 4.6 is .054"
The spark plug gap for a 2003 Buick LeSabre should be set at .060 inches. The best spark plug for this vehicle would be an Iridium plug.
The spark plug gap should be .040"