Remapping a naturally aspirated engine (one without a turbocharger or supercharger) means there is little that can be configured. Remapped vehicles get the most benefit when there is a turbocharher or supercharger installed as the main changes that are made to the software are fuel compression, fuel/air mix and boost pressure. It is more fuel efficient to increase power this way rather than just having a larger engine to begin with. Turbochargers and superchargers increase the fuel compression therefore allowing more fuel to fit inside the cylinders before igniting. An engine works by mixing compressed fuel with air and then igniting this mix inside its cylinders. Most modern cars these days have a turbocharger (or supercharger) fitted to the engine. Even a car with a 1 litre engine can receive good power gains from a remap, especially if it has a turbocharger. Remapping can increase both performance and economy in most types of vehicles. For this reason CUSTOM AFR recommend to go with a trusted technician that has a lot of experience and do not install an unverified software. Later stages tend to require more invasive work and provide fewer gains in performance than the first stage.Ĭhanging settings that affect the control of an engine can have harmful effects, it all depends on who wrote the software, and how the vehicle tuner configures it to the vehicle. Stages 3 and 4 will often involve upgrading the vehicle’s turbocharger or supercharger.
Stage 2 and beyond will usually comprise of further software changes as well as additional hardware, such as a new exhaust system and high-pressure fuel pump. Stage 1 is nearly always just a simple ECU software change. Remap is just a software change and often called Stage 1 tuning and comes as part of many stages. completely disable the exhaust gas toxicity control system, or change its operation. set a specific time for the amount of injection Ħ. increase the threshold for the maximum limited engine speed ĥ. In order to increase engine power when remapping, you can:ġ. Ability to install supercharged or non-standard engine parts Often this can be to meet emissions regulations, or economy or noise regulations.ĥ. By changing the ECU software, the engine can perform a lot closer to its own maximum capabilities - often by increasing horsepower and torque by 20% or more! By default, most vehicles have their performance intentionally dialled down for a multitude of reasons.
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