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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.
The Toyota 4ZR-FE is a 1.6 L (1,598 cc) DOHC, 16-valve engine with Dual VVT-i. Output for this engine is rated at 117 hp (87 kW; 119 PS) at 6000 rpm and 150 N⋅m (111 lb⋅ft) of torque at 4400 rpm. It is an analogue of the 1ZR-FE for use in China only. Applications. Toyota Corolla EX (ZRE120) (China only) Toyota Yaris (ZSP91) (China only)
Twin downdraft carburetors or Toyota engines manufactured by Daihatsu without VVT-i (e.g., 1KR-DE) E: Multi-point fuel injection: F: Normal cylinder head DOHC: G: Performance cylinder head DOHC H: High compression High pressure charged (e.g., 2L-THE) I: Single-point fuel injection J: Autochoke (early models) or pollution control for commercial ...
The Corolla EX was originally powered by a 1.6 L 3ZZ-FE VVT-i engine upon introduction, which produces 81 kW (109 hp). The later versions were powered by a 1.6 L 1ZR-FE dual VVT-i engine producing 91 kW (122 hp) [ 18 ] or the 1.6 L 4ZR-FE dual VVT-i engine producing 87 kW (117 hp).
The 1ZZ-FE is a 1.8 L (1,794 cc) version.Bore x stroke of 79 mm × 91.5 mm (3.11 in × 3.60 in). Compression ratio is 10.0:1. It uses MPFI, has VVT-i (1998-99 1ZZ engines don't have VVT-i), and features fracture-split forged powder metal connecting rods, one-piece cast camshafts, and either a cast aluminum intake manifold or a molded plastic intake manifold.
The new Corolla was introduced to the Australian market on 18 May 2007. It was available in both saloon and hatchback models, with more safety features and higher levels of luxury. The new 1.8-litre 2ZR-FE Dual VVT-i - with variable valve timing for both intake and exhaust camshafts - was the only engine available for the Australian model. It ...
The Toyota GR engine family is a gasoline, open-deck, piston V6 engine series. The GR series has a 60° die-cast aluminium block and aluminium DOHC cylinder heads.This engine series also features 4 valves per cylinder, forged steel connecting rods and crankshaft, one-piece cast camshafts, a timing chain, [1] and a cast aluminium lower intake manifold.
The 1GZ-FE is a 4,996 cc (5.0 L) 48-valve DOHC V12 engine with variable valve timing ().Bore is 81 mm and stroke is 80.8 mm, with a compression ratio of 10.5:1. The official power output advertised in Japan per the gentlemen's agreement is 206 kW (276 hp; 280 PS) at 5,200 rpm, though it was advertised as 220 kW (295 hp; 299 PS) in export markets.