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If you are wanting the power, go with the standard chip. If you have a long commute and the need for power is for pulling, etc - not all the time - then get the flip chip where you can run 87 for commutes and then fill up with 93 when you need the power.
Personally, I would use the standard chip. I like having the power at all times.
Rezvani's Latest Post-Apocalytic 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.