Purple Spark Plug Wires

Why are spark plug wires different colors?

The spark plug boot of each wire is colored to indicate which position in the engine it is to be attached to. Red is the first color, so #1 cylinder's wire has a red boot at the spark plug end. The distributor end of this wire also has a red boot since #1 cylinder is also #1 in the firing order. via

What are the different types of spark plug wires?

Basically, there are three main types of ignition wire: solid-core, carbon-suppression, and spiral-wound. via

Do premium spark plug wires make a difference?

Running on bad spark plugs or spark plug wires can end up using more fuel. High-quality wires will allow the spark plugs to start faster and keep your engine running more effectively. Save money. Routinely swapping out your spark plug wires can save you cash. via

Which wire goes to which spark plug? (video)


Is higher or lower ohms better for spark plug wires?

The higher voltage of a coil on plug or distributor system can create enough voltage that a slightly higher resistance wire will not greatly affect spark strength, but the relatively lower output of a magneto means using a lower resistance wire is more important to ensure a hot spark from the spark plug. via

Do spark plug wires add horsepower?

The short answer is Yes, when you replace the spark plugs and wires can increase your vehicle's performance. New spark plugs help keep your engine at its peak performance and efficiency levels. Of course, every vehicle on the road will misfire from time to time. via

Will wrong firing order damage engine?

When the firing order is wrong, the vehicle may run, but it will not run properly. The wrong firing order makes the spark be delivered to the cylinder either when there is no air and fuel mixture or when the mixture is not properly compressed. In an extreme case, the engine will not start after turning the ignition. via

Which is better 7mm or 8mm spark plug wires?

A more robust core provides a lower resistance path for the power, thereby allowing more power to reach the spark plugs. Additionally, the 8mm wires have a thicker outer coating that keeps the core safe from damage. These wires also have a thicker layer of suppression material. via

What are the best ignition leads?

  • Editor's Pick: ACDelco. ACDelco offers a variety of spark plug wire sets for a wide range of applications and vehicles.
  • NGK.
  • MSD.
  • JEGS.
  • Denso.
  • Bosch.
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