The key points of car modification should be kept in mind[汽车改装知识]

1.carengineIgnition systemRefit
The role of the ignition system when the engine is running is in any engineRotating speedAnd under different engine loads, sufficient voltage can be provided at the right time to makeSpark plugIt can generate sparks enough to ignite the mixture in the cylinder, so that the engine can get the best combustion efficiency. The basic device of the ignition system includes a power supply (battery), an ignition trigger device, an ignition timing control device, and a high voltage generator (High-voltage lineRing), high-voltage electric distribution device (distributor), high-voltage wire and spark plug. The modern ignition advance device has been changed to be controlled by the engine management computer, which collects engine speed,Intake manifoldPressure or air flow,ThrottlePosition, battery voltage, water temperature, knock...and other signals, calculate the best ignition timing advance angle, and then send out the ignition signal to achieve the purpose of controlling the ignition timing. The modification of the ignition system is to make up for the deficiencies of the original ignition system. The goal of the modification is to shorten the time required for magnetization, increase the secondary voltage, reduce the sparkover voltage, increase the spark period, and reduce the transmission loss.
2. Anti-collision frame modification
The anti-collision frame is usually made of sturdy steel bars, and its anti-collision ability is quite strong. However, with the continuous evolution of cars, the anti-collision frame gradually "shrinks" and degenerates into a small one, "surrounded" by beautiful plastic. The anti-collision capability has been greatly reduced. For car owners with strict requirements, the anti-collision frame is an important modification component.
At present, the materials used to modify the anti-collision frame can be divided into plastic, stainless steel, tensile steel and aluminum alloy.The plastic is very soft and will not have any impact on SRS, so it is especially favored by vehicle manufacturers and is often selected as the original manufacturer.Accessoriessell. The original optional anti-collision frames like RANGEROVER, LC100, LC90, PAJERO, etc. all use plastic.
In order to meet the needs of car owners, car manufacturers have to order anti-collision frames from powerful anti-collision frame factories (but still under the name of the car factory). For example, in Europe, DAKAR anti-collision frames and OZ alloy wheels are both One of the original parts of LC90PRADO; in Australia, AUSSIEBULLBAR is one of the original parts of RAV4, LC90PRADO and LC100. Because the needs of the market are different, in the United States and the Middle East, car owners will buy the anti-collision frame they need. Many car owners have removed the original plastic anti-collision frames of their top cars and replaced them with protective anti-collision frames.
3.exhaust pipeRefit
The most popular modification component nowadays is the exhaust pipe. It seems that after installing a large-diameter and surprisingly loud exhaust pipe, the vehicle will run faster. In fact, this is a misunderstanding. The replacement of the exhaust pipe can be said to be a negligible increase in horsepower, especially for some naturally aspirated vehicles with small displacement, it is quite difficult to clearly feel the increase in horsepower. On the contrary, the large-diameter exhaust tail drum has a considerable effect on the loss of torque at low speeds, but the smoother exhaust at high speeds is understandable for the improvement of power. The material of the exhaust pipe itself, the design of the pipeline, whether the inside of the pipe wall is smooth, whether the design of the muffler can form a good back pressure, etc., are all important factors that affect the effect of the exhaust pipe.
A well-designed exhaust pipe requires a considerable price to complete. On the premise that the engine has not been heavily modified, only replacing the exhaust pipe is not very effective.
4. Turbocharged modification
For owners of turbocharged vehicles, there is a modification that we strongly encourage to install, that is, the delayed flameout device (TurboTimer). Because the turbine itself generates extremely high temperatures when it is operating, if the vehicle is turned off immediately after driving, it will have a certain degree of impact on the damage of the turbine under the condition of rapid cooling. In addition, the rotating floating bearing of the impeller in the turbine has the functions of anti-wear, lubrication and heat dissipation according to the *engine oil injection. The engine oil will stop supplying immediately after stopping the engine, and the bearing still rotates inertially at a high speed. In this way, the life of the bearing will be greatly reduced, and the life of the turbine will also be reduced.
Therefore, when we are driving a turbocharged vehicle, it is best to let the engine run at idle speed for 3-5 minutes more before stalling. If you think this action is a bit time-consuming and troublesome, then it is recommended that you install a delayed stall device to let This timer device will perform these 3-5 minutes of work for you. Generally speaking, the installation of delayed flameout device will not have any adverse effect on the line of the vehicle itself.