Page 30 of Nitrous Systems Catalog by ZEX Performance Products

zextm v8 spark plugs better than platinum and iridium when you add performance modifications like a high-flow air filter headers performance exhaust nitrous or a supercharger your engine requires stronger spark if you want to maximize the horsepower you expect from these modifications if you re serious about performance zextm created a high-performance spark plug for you that generates more power-producing spark energy than any other plug on the market using the latest in ignition science zextm developed two totally new spark technologies to ensure you re getting all the horsepower you paid for spark transfer ability 600 500 400 300 200 100 0 1/m-ohm-cm 596 copper 189 iridium 14 platinum heat transfer ability j/m-sec deg 400 350 300 250 200 150 100 50 0 401 copper 147 iridium 72 platinum you ve heard the hype about platinum and iridium and while these materials offer 100,000 mile durability there is a performance trade-off while you gain durability at the same time you lose spark energy and heat transfer due to their high electrical and thermal resistance the more spark energy you have the more power your engine can make likewise the faster the plug can transfer heat the better it can resist engine damaging detonation that pinging sound you sometimes hear when your engine is under load since spark energy and heat transfer are two critical things you must have to make peak horsepower is the trade-off you get with platinum or iridium worth it do you really need to get 100,000 miles out of a set of spark plugs there is a better material choice with far superior electrical and thermal properties than platinum or iridium copper conducts electricity and heat over 5 times better than platinum and almost 3 times better than iridium but alone it would not last long in a running engine zextm solved this challenge with igniter coretm technology igniter coretm puts a pure copper core inside a durable nickel shell the result is a spark plug design that generates more horsepower-producing spark energy than platinum or iridium can deliver and dissipates heat more efficiently helping to eliminate detonation ordinary spark plugs rely on a very hot heat range to keep them from fouling heat range is the engineering term that describes the temperature at which the plug operates and fouling is the inability of the spark plug to ignite the air/fuel mixture due to excessive build-up of carbon deposits a hot heat range plug will tend to burn off the carbon deposits but can cause overheating and detonation in a modified engine slightly cooler plugs are best for making maximum power but can foul out in everyday street driving zextm innovated clean firetm technology to bridge the gap clean firetm technology enables you to use a plug with an optimized heat range for horsepower but also one that gives foul free ignition by using three additional side-gapped nickel shell ground straps the spark from these additional ground straps burns away carbon deposits and super cleans the center electrode helping to release all available spark energy clean firetm technology gives you the best of both worlds clean firetm maximum horsepower and reliable ignition groundstrap if you are serious about making horsepower and want performance without compromise it s obvious zextm should be your choice two different plugs have been developed with optimized heat ranges for your specific modifications and power levels for engines with bolt-on performance parts and computer tuning up to 400hp our power tunetm plug is ideal for you if you have an engine with a nitrous system blower or turbo our power racertm plug will maximize performance in engines up to 700hp copper core 25

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