When Every 100th of a Second Counts

When Every 100th of a Second Counts

On the track every 100th of a second counts, and Go Kart racers across Australia are always looking for the ‘Demon Tweak’, to give them the edge over their competition.

NGK’s Iridium IX Spark Plugs deliver an edge.

In a direct comparison with traditional spark plugs, precious metal plugs provide high ignitability, increasing power, as well as providing a number of additional benefits to Go Kart racers who are looking to optimise engine performance.

The use of precious metal in the manufacture of performance spark plugs, allows a reduction in the size of the centre electrode diameter (CED) to 0.6mm, which is dramatically smaller than standard nickel alloy spark plugs, with a CED of 2.5mm and EGV spark plugs with a CED of 1.0mm which have long been the staple in the Go Kart paddock.

Tests have proven that 0.6mm is the optimum CED for performance, a CED below 0.6mm has shown no improvement to ignitability but a significant reduction to the life of the plug.

A fine centre electrode of 0.6mm also reduces the ‘quenching effect’ during combustion, in turn delivering improved performance.

Quenching occurs when heat energy is lost from the hot flame kernel to the cooler electrodes, as the flame attempts to expand and combust the air/fuel mixture. Reducing the CED decreases this effect, the result is increased power and efficiency from each combustion cycle.

Another key improvement in the design of Iridium IX Spark Plugs is the copper core centre electrode, which improves heat dissipation providing a wide heat range that gives maximum performance at both high and low speeds. This feature makes the half heat range increments redundant.

Unlike traditional spark plugs, NGK’s Iridium IX Spark Plug range also features a 5K ohm resistor that helps avoid electrical system interference with surrounding electronic goods such as your onboard data acquisition system.

In addition, Kart racers running Iridium IX Spark Plugs have also reported that their karts are easier to start up, helping remove some of the stress on a race weekend.

To improve your performance at the track, make the switch to NGK Iridium IX Spark Plugs.