![]() We recommend using only premium fuel (91+ octane) in your Explorer ST.Īll Adapt-X calibrations are emissions compliant and will pass emissions testing. Our calibration will support 87 through 93 octane like the stock calibration, however if you are not running 91 or higher you will not see any power gains. Our calibration relies on knock based octane learning like factory to get the timing and load curve optimal, then at wide open throttle the car will add in or remove timing using spark based knock advance for maximum power. Specific to the Ford calibration strategy, our Adapt-X tunes work by utilizing the factory octane adjust ratio logic and factory timing model. Despite being significantly safer than competitor maps, our calibration allows for maximum power possible, and typically outperforms competitor calibrations. The result is a calibration that maintains 100% stock OEM feel and reliability, but maximum power that the car is capable of at wide open throttle. We start from the OEM stock map and increase the vehicles ability to target higher engine loads/torque at wide open throttle. ![]() Our Adapt-X line of calibrations are essentially an improved version of the OEM Ford calibration. The only Explorer ST tune on the market with true factory level octane learning and reliability! What is Adapt-X and what makes it better than the competition?
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