What is the spark plug gap suppose to be on an irdium spark plug for a 2003 1500 5.3L T?
0.060
2003 1500 Series 2wd Chevrolet Sylverado 5.3L Engine. Spark plug gap for this engine is .040.
Factory says--0.060 plug gap.
30thous.
0.060 inches
0.060 Plug gap.
.40 gap
0.060 in
The 1998 Chevrolet Silverado V-8 engine spark plug gap is .031. Most spark plugs come pre-gapped from the spark plug manufacturer.
the spark plug gap is .054in. for 2003 ford focus.
0.060
0.35