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Variable valve lift (VVL) is an automotive piston engine technology which varies the height a valve opens in order to improve performance, fuel economy or emissions. There are two main types of VVL: discrete, which employs fixed valve lift amounts, and continuous, which is able to vary the amount of lift.
The Toyota NR engine family is a series of small inline-four piston engines designed and manufactured by Toyota, with capacities between 1.2 and 1.5 litres (1,197 and 1,498 cc). Common features of this series
Cutaway view of Variable Valve Timing with intelligence on a ZR engine in Techniquest Glyndŵr. VVT-i, or Variable Valve Timing with intelligence, is an automobile variable valve timing petrol engine technology manufactured by Toyota Group and used by brands Groupe PSA (Peugeot and Citroen), Toyota, Lexus, Scion, Daihatsu, Subaru, Aston Martin, Pontiac and Lotus Cars.
The Lexus LF-A V10 engine Toyota-Yamaha Lexus LF-A Production Prototype engine 2009 Tokyo Motor Show. Announced in the Lexus LFA sports car, the 1LR-GUE is a 4,805 cc (4.8 L; 293.2 cu in) DOHC 4 valves per cylinder V10 engine, made from aluminum alloy, magnesium alloy and titanium alloy and is smaller than most V8s.
Nissan Variable Valve Event and Lift (commonly abbreviated as VVEL) is an automobile variable valve timing technology developed by Nissan.. Nissan VK50VE Engine. Nissan VVEL was first introduced to the US market in late-2007 on the 2008 Infiniti G37 Coupe sporting the new "VVEL" VQ37VHR engine (VQ37VHR motor specs: 11.0:1 CR, 95.5mm bore, 86mm stroke, 7500rpm redline).
The 3UR-FE is a 5.7-litre (5,663 cc) engine designed for use in the Toyota Tundra, Sequoia, Land Cruiser, and Lexus LX570 vehicles, without the D-4S gasoline direct injection but with Dual VVT-i. Bore and stroke is 94 mm × 102 mm (3.70 in × 4.02 in), it produces 381 hp (284 kW; 386 PS) @ 5,600 rpm and 55.4 kg⋅m (401 lb⋅ft; 543 N⋅m) of ...
The Toyota JZ engine family is a series of inline-6 automobile engines produced by Toyota. As a replacement for the M-series inline-6 engines, the JZ engines were 24-valve DOHC engines in 2.5- and 3.0-litre versions.
Toyota commissioned Yamaha to design the 2ZZ-GE, based on Toyota's ZZ block, for high-RPM operation and producing a power peak near the top of the RPM range. The high-pressure die-cast aluminum alloy engine block of the 2ZZ-GE featured cylinder walls with Metal Matrix Composite (MMC) , which is a reinforcement material composed of ceramic parts ...