It’s springtime! Time to start working on your project car, learn a new wrenching skill, discover what everything is under the hood (and how it works), or just spruce up your daily driver. All ...

G. B. Kirby Meacham, Variable Cam Timing as an Emission Control Tool, SAE Transactions, Vol. 79, Section 4: Papers 700673–700938 (1970), pp. 2127-2144 ...

Variable valve lift is used to enhance performance depending on the RPM and load, while variable valve timing is typically used for emissions control (lowering combustion temperatures and thus ...

SAE Transactions, Vol. 107, Section 3: JOURNAL OF ENGINES (1998), pp. 1032-1038 (7 pages) VAST is a variable timing system developed for spark-ignition and compression-ignition engines. It makes ...

Engineers at Waterloo University are improving on the traditional engine by introducing variable hydraulic valves in place of cam-based and camless systems.

The unit produces 47kW (64PS) and with the MIVEC variable valve timing system, it is expected to return significantly better fuel economy than the concept vehicle which achieved maximum 5-Star ...

DON'T MISS: The differences between automatic and manual transmissions On the other side of the engine, the Variable Valve Timing system is used to alter the flow of air into the engine.

All 2010 Chevrolet and GMC gas V-8-powered trucks now feature VVT using a simple "dual equal" cam phaser at the end of the camshaft that electro-hydraulically positions the cam (with help from a ...

Although many take time for granted, timing is a fundamental keystone of modern technology and the electronic ecosystem.

Around 2001, Saab Automobile introduced a bold new engine concept that used a hinged, two-part engine block to vary the compression ratio automatically.