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I couldn't find the Popular Hot Rodding article testing Evans Coolant. I did find this: PHR just put the EVANS NPG+ coolant to the test. the subject was a 2002 Ford Ranger with twin turbo'd V6. are you ready for this...the NPG+ coolant allowed such an aggressive tune that the motor put out 75 horsepower more than it could with EG/water at 6000rpm. how do you like them apples?