Argued that chip tuning is the destiny of young people ready to increase the capacity for “street racing”, regardless of the fuel consumption and engine life.
We decided to find out what really a chip-tuning is, and test in real conditions all the advantages and disadvantages of such a revision of the car.
What is chip tuning?
In the mid 90-ies in Europe a new type of engine tuning appeared, requiring no intervention in its mechanical parts. This option of finalizing the engine is called chip-tuning.
Improvement of engine performance without any mechanical alterations became possible by the emergence of electronic engine control units (ECU).
ECU is a kind of computer that controls the operation of the engine. As any computer ECU has a memory chip, in which on the factory it was founded the program with certain parameters of engine control.
Chip-tuning with the help of special programs - controllers enables you to change inherent to factory settings, to improve engine performance and fully reveal its potential.
Most tuning shops do not edit a few files by themselves, they are sent to the firms, specializing in this. To edit a program controller it is usually used special software that allows finding and visually gauging the tables.
It provides an opportunity to correct: the work of systems responsible for the toxicity of engine, fuel supply to the cylinders, setting the ignition, and RPM limiter.
Thus, we can make allowances of torque and power when setting up regimes of the atmospheric engine in the range of 5-10%. For the turbo engine, you can change the settings of the boost pressure; the difference may be 20-30% of the initial value.
With chip-tuning the car gets an extra reserve of power, which allows the driver to change gear less often and more comfortably when overtaking. In cars with automatic transmission, it is improved the smoothness of gear.
The increase in engine power does not increase fuel consumption. Motor becomes easier to break up a car with any speed, and therefore does not require “promotion in the ring.
If chip-tuning is done well, “valves” just are hidden, that is, fuel card is changed in the direction of decreasing the number of injected fuel, and power increases by increasing the efficiency of fuel combustion. This is confirmed by the decrease in consumption after chip-tuning against the background of increased power and torque.
Although it is often in the first weeks after tuning owners noticed increased consumption. But this is due to the fact that in the early days you want to test new possibilities of motor. As soon as the “races” end, consumption usually falls below the usual norms.
The negative result of chip-tuning may be narrowing of the dead motor’s zone to the quality of fuel for air motors, and a possible increase in sensitivity to high ambient temperatures.
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