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Development of 3.5L V6 Gasoline Direct Injection Engine - ESTEC 2GR-FKS/FXS -
ISSN: 0148-7191, e-ISSN: 2688-3627
Published September 01, 2015 by SAE International in United States
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The new 2GR-FKS / FXS engines were developed to achieve stringent fuel economy and emission targets and respond to recent innovations in the field. The major parts of the 2GR-FKS/FXS engines were re-designed based on the well-received dynamic performance and fuel economy aspects of the 2GR-FE engine. The aims of this development were as follows.
- 1Best-in-class power performance
- 2Environmental performance that maximizes thermal efficiency and complies with fuel economy and emission regulations in each country by a wide margin
- 3Engine response typical of V6 engines through drastic weight reduction of moving parts
To achieve these conflicting aims, the developed engines use a modified version of the D-4S fuel injection system, which enables selective use of direct and port injection, in addition to advanced technologies such as variable valve technology (VVT) with a mid-position lock system and an exhaust port cooling system.
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