the spark gap .060
hoe do you put then spark plug cable in the right order on a impala
1996 Chevrolet Impala SS 5.7L SFI OHV 8cylThe Spark Plug Gap.050 (In thousandths of an inch)
Give the spark plug boot a twist to free it from the spark plug then pull it off of the spark plug by the boot.
the plug gap for 3.1 is 60,
.060
.60
Listed in your owner's manual and under the hood on a placard.
You do not, this is controlled by the ECM through advance and retard of spark plug spark.
5.3 Engine is .060
Copper: NGK 5858 (XR4); Iridium: NGK 7189 (XR41X).....
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A 2009 Chevrolet Silverado with the 5.3 engine requires a .040" spark plug gap.