Multi-position, user-controlled, circuit board with components and logic that is designed to be installed into a vehicle's ECM, engine control module, and overrides the factory calibration with any given number of user-selected custom calibrations that can be controlled with a mechanical switch or digital control to tune the vehicle to promote fuel efficiency and added horsepower

'ad':62 'board':8 'calibr':31,41 'circuit':7 'compon':10 'control':6,25,45,52 'custom':40 'design':15 'digit':51 'ecm':23 'effici':60 'engin':24 'factori':30 'fuel':59 'given':34 'horsepow':63 'instal':18 'logic':12 'mechan':48 'modul':26 'multi':2 'multi-posit':1 'number':35 'overrid':28 'posit':3 'promot':58 'select':39 'switch':49 'tune':54 'user':5,38 'user-control':4 'user-select':37 'vehicl':21,56

HYDRA CHIP

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