Many years ago, car engines were all mechanical. Spark timing, valve timing, fuelling, ignition advance and mixture enrichment regimes were all controlled by mechanical devices. It also meant that car tuning was very “hands-on” and you had to adjust or replace many of the mechanical parts if you wanted your engine to develop more power. This could sometimes demand a lot of money and time and the compromise would not always be a happy one.
Today, all the mechanical tricks remain, but cars have acquired a barrage of electronic controllers to look after all the fine-tuning – especially so in an engine, which is controlled by an electronic control unit (ECU). In modern, state-of-the-art engines, the ECU precisely controls the fuelling, cam and spark timing and induction manifold length, while controlling detonation within fine limits. However, this does not mean that all cars leave the factory as finely-tuned instruments. The reason for this is that all “identical” engines differ in their details and should ideally each have its own, dedicated ECU programming. However, mass production precludes this, so it is up to the electronic, aftermarket car tuning industry to fill the void.
Get Dealtoday’s vouchers for wheel alignment, wheel balancing, wheel polishing and electronic engine tuning and gear up for a smooth ride! All this for only Rs.1300 instead of Rs.3000 and your car is on its way to a quick mechanical makeover!
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