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This new engine uses a timing chain instead of a timing belt. It also incorporated laser etched valve guides directly in the block, rather than the old shrink-to-fit valve guides in the preceding Corolla motors (4A-FE & 7A-FE). This prevents oil burning and valve guide failure in the future.
However the 4E-FTE was a very popular conversion engine by enthusiasts for many small Toyota cars such as the Corolla, Tercel, Paseo and Sera which it fit into with standard Toyota parts. The 4E-FTE differs internally from the 4E-FE with its stronger connecting rods, lower compression pistons (reduced from 9.6:1 to 8.5:1) and stronger crankshaft.
[25] [26] [27] For example, the NZ engines are using timing chain to connect the crankshaft and camshafts, while the Mitsubishi 4G1x engines are using the less durable timing belt. Visually, this engine looks similar like the NZ engines such as the pulleys position and mechanically also share similarities such as the same bore x stroke size ...
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.
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.
A factory supported bolt-on supercharger kit was sold for the 2003–2004 Corolla and Matrix by Toyota Racing Development, and Pontiac Vibe by GM Performance. The supercharger gives 7.5 pounds per square inch (0.52 bar) of boost, with a 40 horsepower (30 kW; 41 PS) and 38 lb⋅ft (52 N⋅m) of torque increase at the wheels.
The crash happened just before 10:50 a.m. at the intersection of East Atlantic Avenue and Southeast 1st Avenue, Delray Beach Fire Rescue Chief Ronald Martin told reporters.
It is all-aluminum, driven by a timing chain (instead of a timing belt), and making more power (with the same fuel economy) than with the A-series engines from the Geo era. This new engine incorporated laser etched valve guides directly in the block, rather than the old shrink-to-fit valve guides in the preceding Corolla motors (4A-FE & 7A-FE ...