share his expierence when change to denso plugs ^^ ↡ Advertisement. This is very subjective. Increased engine power (Don't expect to double your horsepower but a 1 - 3% increase is possible) Improved (reduced) emissions. Page 1 of 2 - ETEC Spark Plugs now Iridium?? No rough idling of the engine . Iridium IX ®. What happens if the spark plug gap is too small? Sure thing, you will get a great performance, but the thing is that will cost you a lot of budget, and moreover this item will serve you only 2 seasons. Founded in 1916, ACDelco is a Grand Blanc, Michigan-based automotive parts brand owned by … For the OE Iridium series, dual precious metal means iridium on the center tip and platinum on the ground electrode. Many manufacturers offer plugs deemed racing plugs that are side gapped but at inflated costs. the only difference is in how well they burn the gasoline. Iridium Spark Plugs … There are many gizmo's that have claimed power increases through out the years ( splitfire spark plugs, indexing spark plugs, etc ). Iridium is also known for its ability to create a higher quality of flame, which promotes a more concentrated spark to the cylinder. Nevertheless, I expect them to … See More Reviews. AC Delco Iridium Spark Plugs; 4 3. Fuel consuming capacity will be less so you can drive at a minimum cost. If you don’t replace the spark plugs in time, or if you don’t adjust the gap correctly, the ignition coil may fail (because it needs more strength to “break” the large height between the electrodes). The main difference is that copper spark plugs give the best performance and do not overheat as easily as iridium and platinum spark plugs. Engine performance will increase. Spark plugs do not increase the performance of an engine — even spark plug manufacturers are fairly forthright about that. Every plug in the Laser Series was designed for an OEM application. Generally, you do not purchase spark plugs for performance enhancement. Fine Wire Plugs. There are copper spark plugs, single platinum spark plugs, double platinum spark plugs, and iridium spark plugs. Noble metal plugs can perform consistently and well, which helps to maintain the engineered performance of the engine. Pocus 13,719 Pocus 13,719 Turbocharged; 13,719 Turbocharged October 7, 2010. Most iridium spark plugs feature a shaped channel on the electrode, which prevents sparks from extinguishing. Now coming to the difference in these spark plugs; the iridium spark plugs that are available in the market are really nothing but another regular set of spark plugs who do exactly the same job of igniting the fuel and air mixture inside the engine and that’s it. Yes, iridium spark plugs increase performance in that they produce enough sparks to ignite the fuel-air mixture in the ignition system. A pair of spark plug gapping pliers is by far the safest way to gap plugs, no matter if they’re Iridium, Platinum, or copper core. The improved throttle response, superior anti-fouling and high-ignitability makes Iridium IX ® ideal for the performance enthusiast. Rough idling of the engine is one of the most common signs of faulty spark plugs. Liter HEMI NKG Spark Plugs Mopar 6 … You might assume that iridium and double platinum are always the better choices, but not in all situations. Pulstar racing spark plugs are unique, delivering an ultra-high density electrical discharge at the gap, with more precise timing than any other spark plug on the market. NGK Iridium Spark Plugs; 3 2. (1) Spark plugs are not the quick and easy path to horsepower. Unlike standard spark plugs, racing plugs prioritize performance and durability at peak speeds–often at the expense of efficiency at low-speeds. Using a correctly gapped spark plug and a new one inhibits early combustion or even skipped firing, which may end up damaging the engine. Opting for high-end spark plugs will have your engine running smoothly once again. The only way to do that is to increase spark intensity, and that comes by using a smaller diameter tip. Better fuel economy: Since Iridium Plugs ensure excellent ignition, the gasoline is burned efficiently. Check Latest Price. The Spark-Plug Gap. It would be amazing if this engine was still running at all with that plug. Enjoy more horsepower, faster and easier starts, fewer misfires under heavy loads, plus better fuel efficiency. Reeves says the single- and double-platinum were employed strictly as a measure to increase the durability of the spark plugs. Not sure about the Ruthenium HX plugs, as they were not around when I contacted NGK about the longevity of the various grades. Serious tuners modify their vehicles by increasing boost through turbo-chargers, super-chargers, and Nitrous. The move to iridium plugs could potentially be a performance advantage. Iridium’s extremely high melting point is perfectly suited to today’s high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability. Because of the durability of Denso spark plugs they can be used in high performance cars such as off-road vehicles. Long electrode life. This person will likely see a HUGE increase in performance and gas mileage with new plugs. Pulstar Motorcycle Spark Plug. They won’t make the engine perform better than it did when it was new, but they will help it stay at that level longer. Here is a modification that works: Bend up the negative electrode on your spark plug and cut approx 3/16 off. SIGNS OF WEAR: Poor starting characteristics, decreased fuel economy, sluggish engine performance, excessive foiling or deposits on plug. Iridium spark plugs are easily distinguished by narrow electrode tips that look like the tip of a pen. manufacturers of iridium spark plugs, ground strap degradation rapidly increases as there is not enough surface area on the tip to equally distribute the spark along the ground strap. This causes rapid deterioration of a small area closest to the spark center electrode. Spark plugs do not increase the performance of an engine — even spark plug manufacturers are fairly forthright about that. - posted in REV-XP / XS Chassis - Performance Trail 120-129 Inch Models: Looking for some info if the plugs have now changed. Iridium Power® plugs are for drivers that care about performance as well as drivers that care about mileage. You're not going to see enough increase to justify that kind of money. One of the worst looking plugs I have ever seen. Iridium is not among the great conductors of electricity, but that does not limit it in performing as a spark plug. 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