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Message: <blockquote data-quote="razaksa" data-source="post: 599930" data-attributes="member: 7601">The O-BIT is a piggyback fuel and ignition controller. It intercepts signals and modifies them to manipulate the factory ECU. Control primary injectors, a second (up to 6) set of injectors and ignition timing. The O-BIT is one of the most advance piggyback controllers on the market today. With 128 tuning sites through the RPM/load range and another 16 sites for tuning via boost or temperature the O-BIT is perfect for your turbo proFuel ModificationsThe O-BIT can tune fuel in several different ways.Lambda Tuning - Modify the o2 signal to control fuel in closed loopAir Flow Meter Tuning - Modify voltage, frequency or current based metersManifold Pressure - Modify the MAP sensor signalEngine Temperature - Modify the ECT signalAir Temperature - Modify the IAT signalExtra Injectors - Control up to 6x16ohms extra injectorsIgnition ModificationsThe O-BIT recognizes magnetic, optical or hall-effect sensors. Most ignition signals can be advanced and retarded. The ignition map is influenced via TPS, RPM and a second map sensor (if equipped).The O-BIT has three 16x8 (128 tuning sites total) maps.Analog MapThe Analog map modifies the signal coming from the stock map sensor, air flow meter or any of the above sensors listed under fuel modifications to control PW of the stock fuel injectors. Influencing this map are TPS, RPM and Engine Temperature. Injection MapThe Injection map controls extra fuel injectors (if equipped). Up to 6x16ohms injectors can be controlled. Influencing this map are TPS, RPM and a second MAP sensor (if equipped).Ignition MapThe Ignition map modifies ignition signals from the specified source (crank sensor, distributor, coil etc.) Influencing this map are TPS, RPM and second map sensor (if equipped)Loop limit MapSemi auto tuning ( loop control system)</blockquote>