Special procedures are required for proper adjustments refer to emissions label (Under hood) or service manual
The Firing OrderFiring order 1-8-4-3-6-5-7-2 --------- front | 2 4 6 8 | of | | Distributor rotates clockwise vehicle | 1 3 5 7 | ---------
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0.060 Plug gap.
.40 gap
spark plug gap is .044
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.
What is the spark plug gap suppose to be on an irdium spark plug for a 2003 1500 5.3L T?
0.060
0.060
0.35
Straight from the service manuals:2000 Silverado 2500 6.0 spark plug gap should be:1.524 mm (0.060 in).
The Spark Plug Gap.044 (In thousandths of an inch)