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Not expection better milage, bought chip for towing performance upgrade, just not sure how increase in hp could increase mpg
It increases injection timing which allows fuel to be injected sooner for a more complete and efficient burn. It also allows you to pull the same weight with less RPM and throttle input than before which also saves fuel.
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.
