What are the two methods to increase power in diesel vehicles?
2 Answers
There are two methods to increase power in diesel vehicles as follows: Increase air flow: Reduce intake resistance. Replacing the air filter with a high-flow one can decrease the engine's intake resistance while increasing the intake volume and volumetric efficiency per unit time during engine operation. For better results, the entire air filter can be modified to an exposed filter type, further reducing intake resistance and increasing the engine's air intake. Use secondary air intake: Improve volumetric efficiency. Secondary air intake involves, in addition to the air drawn from the air filter, utilizing the vacuum pressure difference in the intake manifold to connect another intake device externally to the engine's PCV (Positive Crankcase Ventilation) pipeline, introducing an appropriate amount of fresh air to enhance volumetric efficiency.
My diesel car is an older model, and after driving it for a long time, the power feels weak. There are two common methods to boost power: first, remapping the ECU program, where a professional technician adjusts the engine computer to increase fuel injection and turbo pressure, which can immediately give the car a significant boost in acceleration—I tried it and noticed a clear improvement. Second, modifying the intake and exhaust systems, such as installing a high-performance air intake pipe and a large-diameter exhaust pipe, reduces exhaust resistance and allows the engine to breathe more smoothly, naturally increasing power. However, with such modifications, it's important not to do it recklessly, as it could damage the engine or increase fuel consumption. I recommend going to a reputable tuning shop and keeping up with regular maintenance to prevent chassis deformation.
