20 December 2011

Beginners Guide To Tuning Your Car


What is Tuning
"Tuning" as improvement of vehicle overall performance in response to user needs. When tuning, some users may have some incorrect thought which may lead to them fitting the wrong parts for their needs. For this reason it is important for the user to know "what their target/goal" is and "what parts are needed" to achieve this goal. Here we will explain engine tuning, from light to hard, as simply as possible.


The First Step Tuning is Understand How Engines Work
Cars will not become fast by simply throwing parts at it. It is important to understand your own requirements and then tune to suit. This can also be applied to increasing engine power also. There are many routes to obtaining more power but depending on whether you want big peak power or want low engine speed torque for comfortable street driving, the choice of parts will change along with the order in which each process must be completed. In order to efficiently know what course to follow, it is important to understand how an engine and its components work.

The 5 Main Elements Of Engine Tuning
-Intake Parts
-Exhaust Parts
-Forced Induction
-Fuel Managements
-Ignition




-Intake Parts-



when people use strength or exercize,they breathe heavily and breathe with lot of air.
A car also produce more strength by breathing in more air.The best and most efficient way to increase the intake air volume is to change the air cleaner system.

In order to increase intake efficiency, the most important thing is to remove anything that could become a restriction and guide air smoothly into the engine. However, the stock air cleaner is designed to reduce intake noise and to prevent the filter from being blocked over a long period of use under a variety of conditions. This makes the stock air intake system very inefficient from a performance point of view. It is like someone running a marathon wearing a gas mask!


-Exhaust Parts-


In the intake system we discusses how it is important engine to breathe in but as with the human body,
it is just important to breathe out.The first step in breathe out tuning is muffler replacement.

The basics of exhaust tuning are in the increase of exhaust efficiency but it is not right to assume that the least resistance leads to the highest efficiency. By removing the muffler, exhaust resistance is radically reduced but engine torque is also reduces, adversely affecting launch and vehicle acceleration so it is necessary to have just the right amount of exhaust back pressure (resistance). Exhaust manifolds are a good example of this where it is possible to change the characteristics of the engine with the shape, joins and lengths of the manifold. The exhaust system plays a vital role in the exhaust emissions and sound levels of the car. Stock mufflers tend to have tight bends and crushed areas in order to reduce production cost and layout reasons. The emphasis on the design is to reduce sound levels and gain torque at the lowest engine speeds. Sports mufflers have smoother bends to increase the efficiency of the exhaust system and each system is tuned to the specific car so that sports cars can have efficient power all through the rev range, whilst sedan and wagon cars will have more emphasis on producing torque. Sound is also tuned to suit the application whilst giving enough to state its presence. Turbos (more details later) use exhaust energy to produce power and so become a resistance in the exhaust system and so mufflers for turbo power cars are designed with less resistance compared to NA vehicles. Dependant on the vehicle type and muffler, it is possible to raise boost levels and gain big power increases.

Stock mufflers prioritise low cost, low sound levels and low engine speed torque and the silencer has many sections disrupting the flow of exhaust gas.Sports mufflers which have prioritised exhaust gas flow have gentle pipe bends and the silencer has a straight pipe design which aids exhaust gas flow. Sounds levels have a tendency to increase, but some modern sports mufflers are able to provide efficient flow whilst keep noise levels low.

Metal Catalyzer improved both exhaust efficiency and Cleansing Properties

The catalyzer cleans the exhaust gasses so that they are less harmful to the environment. A catalyzer has a fine mesh structure with many tiny holes causing a resistance to exhaust gas flow. When considering only exhaust efficiency, best results would be achieved by the removal of the catalyzer but this would release many harmful gasses into the atmosphere and make the exhaust sound very loud. For these reasons the removal of a catalyzer from a vehicle is prohibited by law in many countries. In order to overcome this issue, the HKS 150 cell metal catalyzer was developed which has a much coarser mesh (cell) design allowing more efficient exhaust gas flow whilst maintaining cleansing properties through innovative design combining performance with social responsibilities.





to be continue at part 2







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