Summary
Champion RE14MCC5
Pulstar EF-1
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Sparkplugs.com receives a lot of questions in regards to the performance gains and reliability of newer spark plug
technology. We decided the best way to decide if some of the newer technology is just a gimmick, or if they have some
true performance benefits would be to have them dyno’d. We took a Pulstar pulse plug and the stock Champion plug on an SRT-4 to an independent dyno shop, and thought we’d share the information with you.
The test vehicle was a stock 2005 Dodge Neon SRT-4, provided by Manny Gomez, a member of SRTForums.com (screen
name: hawkable). The test was performed on a Mustang Dyno. We completed three runs for each plug in a cold, warm and
hot state. We then averaged these runs to find the final average horsepower and torque numbers. The results are
based on the vehicle factory-specified gap setting of .050” on the Champion plug and the maximum manufacturer
recommended gap of .045” on the Pulstar plug.
After testing, the Pulstar plug showed an average horsepower increase of 3.03HP and average torque increase of 3.1lb-ft over the stock Champion plug.
All testing performed by Design Craft Fabrication for Sparkplugs.com
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