The engine was then disassembled once again to see the impact P.i. had on deposits. These testing images show the powerful cleaning performance of P.i on injectors, cylinder heads and spark plugs to significantly restore power and efficiency.
P.i. cleans your entire fuel system and restores up to 14% horsepower* in one tank of gasoline.
- Reduces need for costly higher-octane fuel
- Reduces noise from carbon rap and pre-ignition
- Restores power and performance
- Controls pre-ignition “knock”
- Improves fuel economy
- Capless compatible
This article is part of our Fuel and Fuel Additives guide. See every article in the guide.
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Brad Nelson is an AMSOIL Technical Writer II who develops content about lubricant technology, product performance and vehicle maintenance. He works with engineers and product specialists to translate testing, application requirements and approved performance claims into clear customer guidance. Nelson’s work includes AMSOIL Blog articles, AMSOIL Magazine features and technical explanations concerning motor oils, gear lubricants, vehicle systems and maintenance practices.
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