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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.
Other manufacturers may modify the engine after it has left the Toyota factory but the engine still keeps the original Toyota designation. For example, Lotus added a supercharger to the 2ZZ-GE in some versions of the Lotus Elise and Exige, but the engine is still labelled 2ZZ-GE, not 2ZZ-GZE. Examples: 3S-GTE 3S – Third model in the S engine ...
Variable valve timing (VVT) is the process of altering the timing of a valve lift event in an internal combustion engine, and is often used to improve performance, fuel economy or emissions. It is increasingly being used in combination with variable valve lift systems.
While most internal combustion engines don't require time to warm up — even though many people like to hop into a warm vehicle — EV owners may need to take some action before getting on the road.
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The Toyota 2ZR-FE is a DOHC, 16-valve, 1.8 L (1,798 cc) [3] engine also equipped with Dual VVT-i. This new engine replaces the 1ZZ-FE engine in most applications. [ 4 ] Output for this engine is rated at 98–103 kW (132–138 hp) at 6000 rpm and 173 N⋅m (127.5 lb⋅ft) of torque at 4400 rpm for the Corolla, Matrix, and Vibe and 95 kW (128 hp ...
The Aygo Crazy has a Japanese-built 1ZZ-FE 1.8 litre VVT-i engine, mated to a five speed manual gearbox, both from the Toyota MR2, fitted with a Toyota Motorsport turbocharger conversion. The manufacturer claims the engine produces 147 kW (197 bhp) at 6,700 rpm and 240 N⋅m (177 lb⋅ft) torque at 3,400 rpm.
In 2013, the exlusive Dual VVT-i 4NR-FE (for FAW Toyota) and 6NR-FE (for GAC Toyota) 1.3 L engines were introduced as the replacement for Chinese market XP150 Vios/Yaris. Later in 2016, the global version of those engines, called 1NR-FE, was introduced as the successor of 2NZ-FE engine for emerging markets XP150 Vios/Yaris. [30]