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Frequently Asked Questions

Q. What is Pulsed Power?
A. Pulsed Power is the term used to describe the science and technology of accumulating energy over a relatively long period of time and releasing it very quickly thus increasing the instantaneous power. http://en.wikipedia.org/wiki/Pulsed_power Basically the Pulse Plugs and Direct Hits contain a peaking capacitor circuit which does just that. Pulstar Pulse Plugs and Direct Hits have 16 patents for this technology and are the only plugs on the market to do this.

Q. What is the difference between a Pulse Plug and a Direct Hits?
A. A Pulse Plug is an integrated plug/capacitor unit all in the plug itself. A Direct Hits module is a screw on capacitor for a normal non resistor spark plug.

Q. What heat ranges do they cover?
A. The Pulse Plugs cover 5-9 on the NGK scale. The Direct Hits are capacitor modules which take nearly any non-resistor plug of any heat range and multiply the spark.

Q. Will such a hot spark burn a hole in my piston or damage my engine?
A. No. As long as the proper heat range for the plug is chosen (verify with the engine mfg.) and the gas/air mixture is maintained correctly no damage is caused by the Pulse Plugs or Direct Hits. Turbo charged, supercharged or nitrous engines may want to consider going to a colder plug. Check with your tuner.

Q. Do they work in all engines?
A. Pulstar Pulse Plugs are designed for most automobile, motorcycle engines, power sports, off road, experimental aircraft, etc. 2 stroke or 4 stroke doesn’t matter. Between the Pulse Plugs or the Direct Hits we can match sets for nearly all street vehicles and Power Sports engines.

Q. Do I have to make any changes to the engine or carburetion?
A. For newer computer controlled ECUs and fuel injection units they are pretty much install and go. For the older engines and especially the 2 stroke carbureted engines may need a little fine tuning on the mix. Not much is needed usually. EGT and CHT gauges are highly recommended for tuning and seeing that the mix is correct.

Q. Do I need to gap them?
A. Gap the plugs as you would for your normal engine mfg. recommendation. However don’t gap them past .040


Fire in the Hole Distributors  •  PO Box 53025  • Albuquerque, NM 87153  •  505.977.6376