Since the beginning of hot rodding, gearheads have endeavored to increase the performance of internal combustion engines through the optimization of valve timing. It's been proven time after time that ...

Harley-Davidson has filed a patent application for a variable valve timing (VVT) V-twin engine, possibly for the Sportster to improve economy and reduce emissions. The iconic American manufacturer has ...

Downsizing and turbocharging. For a car nut, those two words spell trouble. Most automakers, however, think otherwise. Mazda tries to keep the N/A flame alive, and so does Toyota. If you’re living in ...

Maruti Suzuki has launched the new 2.4L Grand Vitara more powerful sporting a 2.4L, 163.5 Bhp engine as against the current 2.0L, 120 bhp one. A 2.4 litre VVT (Variable Valve Timing) engine delivering ...

Many cars today including the Toyota RunX, Toyota Allex, Toyota Raum, Toyota Vitz, Toyota Spacio, keyword being Toyota, specifically small fuel-sipping cars from the manufacturer. Whenever one is in ...

SAE Transactions, Vol. 112, Section 3: JOURNAL OF ENGINES (2003), pp. 124-134 (11 pages) An experimentally derived map of the engine volumetric efficiency is usually employed to control the A/F ratio ...

Suzuki’s R&D department have filed a flurry of patent applications showing a variable valve timing system specifically aimed at the Hayabusa hyper bike – suggesting that even as the Busa hits its 25th ...

Engineering patents often provide an insight into the future of the automobile, and if Nissan's latest is anything to go by, the Japanese brand might have found a way to squeeze a little extra life ...

This dual vvt engine is used in renault triber cars. So 1000cc no doubt its energy engine which provides good mileage adequate pickup and smooth performance than ordinary k10b n other normal 1000c ...

About two months after it said it would release new CVO versions for the Street Glide and Road Glide motorcycles, Harley-Davidson did just that. The wealth of details about what's new on the two rides ...