28th International Vienna Motor Symposium
The New 4.6L V8 SI Engine for the LEXUS LS460
Authors
T. Asahi, T. Yamada, H. Hashizume, Toyota Motor Corporation, Aichi-ken
Year
2007
Print Info
Fortschritt-Berichte VDI, Reihe 12, Nr. 639
Summary
Toyota has launched a completely new V8 4.6-liter SI engine 1UR-FSE, 17years after the start of production of the previous UZ engine series. This new engine meets the growing requirements for lower fuel consumption and lower emissions, and also achieves outstanding full-load performance that satisfies the requirements for a premium sedan. To achieve these performances, new technologies such as Variable Valve Timing - intelligent by Electric motor actuation (VVT-iE) and D-4S system (two fuel injectors for each cylinder) were adapted.
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