QUESTIONI'm in the process of transplanting an L77 from a 2012 Caprice 9C1 PPV [police pursuit vehicle] along with its 6L80E [six-speed, longitudinally mounted electronic automatic overdrive ...

Earlier this year Toyota launched the iQ micro-car in Europe and now the Japanese automaker has unveiled a more “performance-oriented” version of the cute and trendy iQ. The new engine is a 99hp VVT-i ...

Toyota has added an all-new 1.33-litre Dual VVT-i petrol engine with stop-start technology to the Toyota Auris. Toyota says that the new powertrain with stop-start results in 17% lower CO2 emissions ...

In last month's "Tech Scene," we compared the differences between Toyota's VVTL-i (Variable Valve Timing and Lift-intelligence) and Honda's VTEC (Variable Valve Timing and lift Electronic Control).

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 ...

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 ...