Pulse Plugs have up to 20,000 times the peak power of spark plugs.
How They Work
For 100 years, ignition technology has been dominated by spark plugs. Pulse plugs are a radical departure from spark plugs. Their physical dimensions are the same as spark plugs because they have to interface with the engine and ignition system just like spark plugs. But this is where the similarity ends.
Pulse plugs incorporate a pulse circuit, which stores incoming electrical energy from the ignition system and releases the stored energy in a powerful pulse of power. Instead of 50 watts of peak power typical of all spark plugs, pulse plugs deliver up to 1 million watts of peak power. So where does the pulse plug get its incredible power?
When the ignition signal is sent to a traditional spark plug, it begins to ionize the spark gap. This means that the voltage builds in the gap until a spark can be formed. During this ionization phase, which lasts about 5 millionths of a second, the incoming voltage (which has nowhere to go) heats up ignition components including the spark plug. This is wasted energy. When the ignition voltage overcomes the resistance in the spark gap, the spark is created with an initial discharge of approximately 50 watts. Once created, the spark resides between the electrodes at very low power for over a period of 30 millionths of a second.
What is different about a pulse plug is that instead of heating ignition parts during the ionization phase, this energy is stored in the integral circuit inside the pulse plug. When the ignition power overcomes the resistance in the spark gap, the pulse circuit discharges all of its accumulated power - 1 million watts - in 2 billionths of a second!
Horsepower:
There are many performance-improving aftermarket devices available today. Some devices, like turbochargers and nitrous dramatically increase performance. Others, like headers and cold air intakes, produce lesser results. None of them treat performance at the epicenter: fuel ignition. Many ignition devices attempt to improve ignition, but they are all hindered by the weakest and final link: the spark plug. Pulse plugs have up to 20,000 times the peak power of spark plugs and ultimately improve the performance of all aftermarket performance products. Pulse plugs simply ignite fuel better and should be the very first step in improving your engine's performance. When you compare the 'Cost per HP Gain in USD' for various aftermarket bolt-on modifications, Pulstar at $8 / HP is clearly the best 'bang for the buck'.
A simple way to think about pulse plugs is that they are similar to a camera flash, whereas spark plugs are more like a flashlight. A camera flash is exponentially brighter than a flashlight even though they both may use the same battery.
Torque:
Pulstar generates more liveliness in the throttle and more low-end torque. Low-end torque is very important for towing. Diesel engines have superior low-end torque because of their high compression ratios and greater energy content of the fuel. Most SUVs and pick-up trucks that are used for towing have gasoline engines and are designed for fuel economy and highway driving. Pulstar™ can significantly improve low-end torque in these vehicles. With increased cylinder pressure, the pistons are pushed down with more force. This generates more torque in the crankshaft, more liveliness to the throttle and more power and low-end torque. In other words… more power to the wheels.
 Fuel Economy:
Tests at an independent laboratory demonstrate how Pulstar™ pulse plugs burn fuel more efficiently than spark plugs. In this high-speed video (shot at 68,000 frames per second), you can actually see the ignition plume of Pulstar™ growing at more than twice the speed of the spark plug. Pulstar™ generates a much larger spark than spark plugs, which reduces overall burn time and burns the fuel more completely. Once created, the spark dissipates over a period of 30 millionths of a second. This faster fuel burn increases cylinder pressure by as much as 10% allowing the engine to generate the same power with less fuel... better fuel economy.
With increased cylinder pressure, the pistons are pushed down with more force, which, in turn, generates more torque in the crankshaft, more liveliness to the throttle and more power to the wheels.
Of course, if you don't use this torque to go faster, the engine does its work with less effort resulting in better fuel economy.
Another way that Pulstar™ improves efficiency is by reducing cycle-to-cycle variation. By igniting fuel more completely, Pulstar™ reduces cycle-to-cycle variation, a major contributor to poor fuel economy. Cycle-to-cycle variation occurs in every engine to some degree and is caused by the dynamics of combustion, load, fuel quality, mixture and many other combustion variables. These variables can cause the spark plug to generate a weak spark, and in the worst case, a misfire. This variability in ignition timing robs all spark ignited internal combustion engines up to 10% of their efficiency.
The powerful spark of Pulstar™ ignites fuel more precisely, which can reduce cycle-to-cycle variation by up to 50%. This is an important contribution to improving fuel economy.
The performance of your vehicle may vary with the age and condition of your car, weather, and your driving habits. Remember that pulse plugs are an investment.
A typical payback on the purchase of Pulstar™ is 12 months. As you can see in the graph above, a fuel economy savings of only 6% can put a significant amount of money back in your pocket, while rewarding you with a better driving experience. Of course, your savings will vary with the age and condition of your car, weather, and your driving habits. Remember that pulse plugs are an investment. But spark plugs are simply a replacement.
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