Science of Cars

Automotive engineering and mechanical science

Top 3 Ways Honda Improved Fuel Efficiency of Its I-vtec Engine

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Honda, a leading Indian car manufacturer, had introduced a revolutionary car engine in the global car market. The engine was designed to meet the increasing demand of improved performance and fuel-efficiency. The new engine was first fitted in the Honda Civic to achieve a perfect blend of power, performance, and fuel-efficiency.


After the engine was fitted in the Civic, it was modified and altered to have better power and performance. The evolution of the VTEC engine proved a blessing when fitted in the all-new Honda City. The intelligent VTEC (Variable Valve Timing and Electronic Lift Control) system ensures maximum efficiency by switching the valve timings of inlet and exhaust valves of the car engine. It is also considered to be one of the best engines that deliver powerful, torque performance and excellent mileage.


The all-new Honda City with the advanced i-VTEC engine carves its own niche in the Indian car market. It has been a great success in winning hearts of car consumers. It is designed with innovative technologies and technical precision that ensures excellence in all arenas including driving pleasure, engine performance, and low fuel-consumption.


The key factor that contributed to the success of the new City is its powerful and effective i-VTEC engine. Honda’s engineers have fine tuned every engine component of the car engine make its more efficient than the traditional car engines.


Following are the top 3 ways Honda improved fuel-efficiency of its i-VTEC engine:


Patterned Piston Coating


One of the best ways to improve fuel-efficiency is to reduce friction. Honda engineers tuned the engine components including the piston to help improve fuel-efficiency. In order to do so the engineers have modified shape of the area around the piston and also made minor adjustments in the surface configuration. They gave a patterned surface to the piston coating to ensure reduction of friction and enhanced fuel-efficiency.


Auto-Tensioner with Drive-Belt


Auto tensioners help automatic regulation of the closing and opening of the intake and exhaust valves of the engine. When fitted with the drive belt, it helps in controlling the tension of the timing belts which further monitors the ignition timings. Honda engineers fitted the auto-tensioner with the auxiliary drive belt that connects the crankshaft and the camshaft. The tensioner in connection with the drive-belt absorbs all variations in the tension created due to speed changes. This regulation eventually helps improve fuel-efficiency.


Plastic Covering


It’s a fact that the car weight plays a significant role in increasing or reducing fuel-efficiency. If the weight of the car is more, the engine will need more power to pull the car and if the weight is reduced, comparatively less power is required for acceleration. With this fact, Honda’s engineers decided to reduce the car weight by replacing aluminum engine cover with plastic covers. This has reduced the weight of the engine by about one kilogram, thereby reducing overall weight of the car and increasing fuel-efficiency.


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Jap Auto Parts have many engines in stock and we can fit them for you too call us on 0121 772 3205 book yourself in, we can supply and fit your engine at low prices.


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This video is for Scott, my GOOD MATE down under. I explain further my take on reed valve operations and why they are so important for high performance DIO or JOG engines.

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Best Japanese RHD Sport Cars, Toyota honda Nissan Mazda Mitsubishi Subaru…


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