Tianjin FAW Vizi modified example of the fuel system - FAW Vizi, fuel systems, modified - Car repair and maintenance industry

Tianjin FAW Vizi modified example of the fuel system - FAW Vizi

, fuel systems, modified - Car repair and maintenance industry

Vizi Power and fuel consumption was originally a contradiction, power good car fuel consumption will correspondingly larger. For this reason, many people raise the engine power when converted hesitation. If the original car's fuel consumption is not low, the retrofitted power Daoshi up, and could face higher oil prices, 100 km 12, 3 liters of fuel Who can ah?

But when I converted Vizi no worries. The car had very low fuel consumption, remember that before modification tested, 60km / h constant speed during the 100 km fuel consumption is only 4.8 liters, for a low-resistance style, high-energy ignition and spark plugs, the fuel consumption lower. After doing a power upgrade modification, even if the fuel consumption a bit, and the original car, but also hit a tie, the value of the!

Power to enhance conversion involves four areas: intake, exhaust, fuel, ignition. The simplest modification is to change the intake of low resistance style (air filter), and then deep-level modifications, including polishing the inlet, replace camshaft, increased compression ratio and even installation of turbochargers. Too much action behind these modifications, but also have an impact on the life of the machine, so I have not accepted, only for the style of a low resistance to stop.

Modified ignition system can also be deeply shallow, I adopted the most shallow of the program?? Only the replacement of the high-energy ignition and platinum spark plugs, ignition coil with no change, not to mention the installation of ignition pulse and the replacement computer.

Thought, I decided to move larger oil supply system. How to change it? First install a fuel booster it! The so-called fuel booster, is that the supercharger with a mechanical valve artificially increase the injection pressure, the pressure up, and fuel atomization would be better combustion and more fully, and because increased air-fuel ratio, engine power and the torque will have a certain upgrade. Of course, everything has a degree of increased injection pressure can not be unlimited, when air-fuel ratio exceeds a certain limit will not power down, the engine fuel consumption will also increase there, black smoke and other faults. Therefore, fuel pressurization valve is simple to install, but the adjustments have to cost a great effort. In addition, since the need to disconnect the fuel line installation, so all Connector Must be particularly strong, otherwise it will leave a fire hazard. There's not enough fuel booster

light quickly, I have been fighting the idea of additional fuel. Compared to pressurized valve, additional fuel is relatively more complex, it is actually a small computer, which the air flow meter and throttle position Sensor Collection of values has been treated before sent to the original car engine control computer, engine control computer receives the "wrong" data will be in accordance with the maximum power of command injection and ignition conditions. But this deception is good, it does not significantly change the characteristics of the machine work. And fuel booster as an additional fuel has some limits, most of the additional fuel controller for an internal procedure and curing several engine design, not only the owner can not change, even the modified technicians also can not move, but a little more fever controller is programmable, the flexibility to use more, but need more experience and skills.

Something to tinker with after this, the engine's power to enhance a lot, in a chassis dynamometer test, the maximum power has reached a 68kW, that is, we only changed a few things, put into a 8A the 5A. Sense of accomplishment or big.

Machine power up, and working conditions should also improve the look. My first thought was for pure synthetic oil. Grey Heineken and Mobil 1 is great, but considering the engine is adjustable by car, use car engine oil should be more appropriate. There is a Japanese production of pure synthetic racing oil properties HKS Yes, of course, prices are cheap, 4L sold for 880 yuan actually installed, ruthless the heartless, and was finally bought.

This point, the engine conversion would basically completed.

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