Can you use different size spark plugs?

While you should buy spark plugs in matching sets for your vehicle, not all spark plugs are universal. Spark plugs come in different sizes with different gaps and are manufactured using a variety of metals. Finding the ones that you need can be difficult.

What happens if you use a longer spark plug?

Broken electrodes A spark plug that is too long can cause extensive damage to your engine while a short spark plug can cause poor gas mileage and spark plug fouling.

Can you use the wrong spark plug in an engine?

Installing the wrong spark plug for your car will cause poor engine performance and can seriously damage your engine.

Does it matter which spark plugs you use?

Although many motorists and technicians prefer to stick with the same brand when replacing spark plugs, there’s nothing on the label that limits a particular brand of plug to a particular vehicle make or model.

Does the type of spark plug matter?

The most important detail in a spark plug is matching your engine’s design. Copper has high conductivity and low price, but also a shorter lifespan. Harder platinum and iridium cost more, but were designed to last longer, but remember, the best fit is always the one designed for your engine.

Can I use 2 different spark plugs?

All spark plug manufacturers cross-reference their plugs with other brands so their brand can be interchanged with other brands. In other words, any brand of spark plug can be used in any vehicle make or model application assuming the plug has the correct dimensions, design and heat range.

Do upgraded spark plugs make difference?

This would be more accurately described as “less performance loss.” Spark plugs do not increase the performance of an engine — even spark plug manufacturers are fairly forthright about that. They won’t make the engine perform better than it did when it was new, but they will help it stay at that level longer.

What happens if spark plugs are too short?

A spark plug that is too short will cause your engine to buck. The spark won’t ignite your fuel correctly and can cause poor gas mileage, plus prompt your check engine lights.

What size of spark plug do I need?

Most spark plugs require a 5/8″ (16mm) size spark plug socket. This refers to the size of the flats on the spark plug that are in contact with the socket.