Why is spark plug gap so important?

Why is spark plug gap so important?

Proper Spark Plug Gap A gap that is too close will not deliver the proper amount of spark to satisfactorily cause the air fuel mixture to burn cleanly. While a gap that is too wide may not allow the ignition system to fire the plug at all. Properly gapped spark plugs also remove heat from the cylinder ignition chamber.

What does gapping a spark plug mean?

The gap between the center and side electrodes of a spark plug must be an exact distance; otherwise, your plugs don’t fire efficiently. Adjusting the distance between the two electrodes is called gapping your spark plugs. You need a feeler gauge to gap your spark plugs properly.

Where to get spark plugs for Mercury Grand Marquis?

As a full-size sedan, your Grand Marquis has a suitably serene and comfortable ride. Make sure that it never causes any headaches by installing a high-performing Mercury Grand Marquis spark plug from AutoZone. We provide a wide variety of spark plugs, so you’re sure to find the best match for your make and model when you shop with us.

What kind of spark plugs do Mercury outboard motors use?

Mercury Outboard NGK Spark Plug Guide NGK spark plugs are original equipment on many outboard motors and are excellent replacements for everyday engine maintenance. Please view the application guide below. You may also find the NGK spark plug code helpful.

Where is the spark plug gap on a spark plug?

Spark Plug Gap – understanding the basics. Spark plug gap is where spark plug spark discharge is designed to take place. On a conventional spark plug, it is the area between the center and the ground electrode.

Can a NGK spark plug be used on an outboard motor?

NGK spark plugs are original equipment on many outboard motors and are excellent replacements for everyday engine maintenance. Please view the application guide below. You may also find the NGK spark plug code helpful.

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