What is the spark plug gap on a 2003 Chevy Silverado?

The new spark plug, P/N 12571164 with AC Delco P/N 41-985, is gapped to 1.01mm (0.040 inches) when the spark plug is made. The spark plug gap is set during manufacturing and should not be changed or damage to the spark plug may result. Any new spark plug found to not be properly gapped should not be used.

What is the recommended spark plug gap?

For most racing applications, you usually want the plug gap to be between 0.020 and 0.040 of an inch. Most engine builders seem to settle around 0.035 of an inch. Factors such as the type of ignition you run, cylinder heads, fuel and even timing can affect how much gap will work best for you.

What is the spark plug gap on a 2002 Chevy Silverado?

the . 60 gap is for max life span of the plug with still burning enough fuel for proper operation.

Is there a spark plug gap on a Chevy Silverado?

Here is a list of spark plug gaps for a Chevy Silverado. Reference the model year in the table with the corresponding engine to see what is the spark plug gap for your car.

How big is the gap on a spark plug?

Due to the different tip design, the Gap of the Spark Plug has also changed. • The new Spark plug, P/N 12571164 with AC Delco P/N 41-110, is Gapped to 1.01 mm (0.040 in) when the Spark Plug is made. A new spark plug has been released for use in the above vehicles. The new spark plug has an Iridium tip instead of the current Platinum tip.

What should spark plug gap be on Vortec 6000?

I gapped them at .060 because that is what the owner’s manual called for. My truck still has hard starts though and still has a rough idle (shaky and stuff). I called the auto parts and they tell me the gap is supposed to be .040. So does anyone know if I go by what the truck says or the auto parts?

What kind of spark plugs do GM trucks use?

From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. What are you guys running for plugs in your 6 liter engines? I installed E3 a couple years ago and wasn’t really impressed.