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Technical Paper

Development of Toyota 1ZZ-FE Engine

1998-02-23
981087
The 1ZZ-FE engine is a newly developed in-line 4-cylinder, 1.8-liter, DOHC 4-valve engine mounted in the new Corolla. Abounding in new technologies including the laser-clad valve seat, high-pressure die-cast aluminum cylinder block, and the small-pitch chain drive DOHC, coupled with the fundamentally reviewed basic specifications, the new engine is compact and lightweight, offering high performance and good fuel economy. Anticipating even more stringent emission regulations in the future, in addition to the revision of the engine body, the layout of the exhaust system has been improved to enhance warm-up performance of the converter.
Technical Paper

Development of the High Speed 2ZZ-GE Engine

2000-03-06
2000-01-0671
The 2ZZ-GE is a sporty 1.8 liter engine based on the 1ZZ-FE, which is currently being mass produced in Japan, USA, and Canada. It was designed to fit into the same engine compartment as the base 1ZZ-FE, have equivalent vehicle performance as a 2.2 liter engine, and meet TLEV emission standards. The main features of the 2ZZ-GE are the Metal Matrix Composite (MMC) reinforced all-aluminum cylinder block and the intelligent Variable Valve Timing and Lift (VVTL-i) system. These features were adopted for size and performance. Other features such as a reinforced ladder frame, and an intake manifold spacer was utilized for a sporty engine sound. The 2ZZ-GE delivers maximum power at 7600rpm and maximum torque at 6800rpm.
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