0.060 Inch
Factory says--0.060 plug gap.
how do i change the spark plugs on a Chevy silverado 1500
0.035
sliverado 1500 99-05 torque setting is 140 ft-lbs
.035
2006 Chevrolet Truck Silverado 1500 2WD 5.3L SFI HO 8cylThe Spark Plug Gap.040 (In thousandths of an inch)
650-800
35
GM has a bulletin # 03-06-04-060 1999 to 2004 Silverado using a Delco plug # 12571164 {91-985 } the gap is preset to 0.040 " {1.01mm } at the factory and should not be adjusted as damage may accure. You can check this information at Delcos web site.
0.060 inches
What is the spark plug gap suppose to be on an irdium spark plug for a 2003 1500 5.3L T?
.40