The power can be increased without changing the machine. Detailed explanation of ECU modification

【Owner's home car knowledge】Cars and the human body have similarities in structure. The engine, transmission and other hardware structures alone cannot operate. It must rely on a sophisticated electronic control system to complete a series of actions through the hardware system. It's like the human brain controlling body movements, but the car's brain is called ECU, or Engine Control Unit!

When designing the software and hardware of the engine, the original car takes economy, practicality, fuel consumption and increasingly stringent emission standards into consideration in addition to power output, so the adjustment and setting of the ECU tend to be balanced. At this time, in order to make the car more powerful, the most direct and effective way is to modify the ECU. In recent years, this method has been greatly welcomed by modified car owners. The reason is not only direct and effective, but more importantly, it is extremely cost-effective, and it cannot be noticed from the outside at all.

ECU upgrade does not require engine modification

There are many brands of ECU modification methods on the market: one is to change the chip or directly update it to a package program corresponding to a certain model written by professional engineers; the other is to install external computer hardware and customize it as needed. Write and configure programs. Compared with the first software modification, the biggest advantage of the plug-in computer is that it can provide high-speed fuel supply and ignition time according to the needs at any time. Its diverse functions make it the first choice for heavily modified vehicles.

There are not many refit shops that are able to provide customers with tailor-made computer programs. The main reason is that these refitting shops cannot conduct tests and adjustments through professional instruments such as dynamometers like professional ECU manufacturers or professional racing teams, but can only make adjustments in the actual test of "running and changing" on the road.

To get the most perfect power boost, precise tuning is the key

As we all know, refitting ECU will adjust parameters such as fuel supply, ignition timing and turbo pressure, and the amount of fuel injection directly affects the air and fuel mixing ratio. Theoretically, the most complete and sufficient mixing ratio is 14.7, but in reality, this mixing ratio changes, so it needs to be analyzed and corrected by the computer in time. Ignition timing is the time to ignite the mixture of fuel and air.