12/04/2011

Autolite XP3924 Xtreme Performance Iridium Spark Plug, Pack of 1 Review

Autolite XP3924 Xtreme Performance Iridium Spark Plug, Pack of 1
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I know these plugs are iridium "enhanced" and therefore not "true" iridium plugs ( "true" being 90% or more iridium alloy in the center electrode, like NGK or Denso plugs), but I managed to get a set of four Autolite XP plugs at my local parts house for $26 and if you go to Autolite's website you will find a mail in rebate offer for $2 off per plug! So for under $20 and just for kicks, I decided to give these plugs a shot in my 2002 Toyota Corolla. Wow! I was skeptical at first, but these plugs work incredibly well! My engine runs smooth and I get great fuel economy! I estimate these plugs should last for at least 60,000 - 75,000 miles before they need to be replaced, but we'll see when we get there. Overall, I would have to say these plugs offer great performance at a low price.

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Autolite XP Xtreme Performance spark plugs are one of the brand's most technologically advanced spark plugs. Consumers get the benefits of patented platinum sidewire technology for improved durability and longer life, along with an iridium-enhanced .6mm finewire design for improved ignitability. Independent lab tests show that Autolite XP Xtreme Performance spark plugs provide better overall ignitability and durability than many other premium spark plugs. By increasing the size of the flame kernel (a 21 percent bigger flame compared to standard sparkplugs), these Autolite spark plugs ignite more gas and air mixture inside the cylinders to deliver better overall ignition. The ignition is more focused, which provides faster fuel combustion, optimizing the vehicle's spark plug performance. In addition, the Autolite XP Xtreme Performance spark plug offers drivers the same durability as the Autolite Double Platinum sparkplug virtually no gap erosion, longer life, and top fuel efficiency over the life of the plug. Autolite XP Xtreme Performance sparkplugs can be used in nearly 90 percent of passenger cars and light duty trucks on the road today.

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