Neha Patil (Editor)

Hyundai Tau engine

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The Tau is a family Hyundai Motor Company's V8 gasoline engines, replacing the Omega.

Contents

Tau MPi

Hyundai Motor Company has also shown a supercharged version of the 4.6 Tau MPi engine at 2008 SEMA show, and later 2009 Chicago Auto Show. This engine was equipped with a supercharger and cylinder deactivation technology to produce an estimated 460 horsepower (340 kW) while returning better fuel economy.

Specifications

4.6 Tau MPi for the Genesis' 4.6L Tau V8 engine:

  • Horsepower: 385 hp (287 kW)
  • Torque: 333 ft·lbf (451 N·m)
  • Displacement (bore x stroke): 4,627 cc (282.4 cu in) (87.0 mm × 92.0 mm (3.43 in × 3.62 in))
  • Stroke: 3.42 inches (87 mm)
  • Compression ratio: 10.4:1
  • Block material: High pressure die casting aluminum block
  • Cylinder head material: Aluminum
  • Valvetrain: Dual Over Head Cam (DOHC)
  • Valve timing: Continuous variable valve timing
  • Variable induction system
  • Fuel delivery: Multi-port fuel injection
  • Recommended fuel: Premium Unleaded, though it can run safely on regular gasoline with reduced performance

    • 4.6 Tau MPi

  • 2008 - 2009 Kia Mohave/Borrego
  • 2008–2012 Hyundai Genesis

    • 5.0 Tau GDI

  • 2011–Present Hyundai Genesis
  • 2009–Present Hyundai Equus - 5.0 L (305 cu in) & 5.5 L (336 cu in)

    • Tau GDi

    It is a version using gasoline direct injection.

    Reports also suggest the engine might be produced in 5.5 L (336 cu in) displacement, with a supercharger installed from the factory.

    2015 Updates

    Updates to the 2015 Genesis 5.0 Tau V8 included:

  • Bump in compression ratio from 11.5:1 to 11.8:1
  • Optimized intake runner length
  • Enhanced timing chain for reduced friction and NVH
  • Low-torque exhaust manifold
  • Upgraded multiple-injection mapping
  • Dual Continuously Variable Valve Timing (D-CVVT), a tuned variable induction system, and low-friction coatings on piston skirts
  • Improved Low-end response along with better efficiency and NVH

    • Specifications

    5.0 Tau GDi for Equus' 5.0L Tau V8 engine:

  • Horsepower: 429 hp (320 kW)
  • Torque: 376 ft·lbf (510 N·m)
  • Displacement (bore x stroke): 5,038 cc (307.4 cu in) (96.0 mm × 87.0 mm (3.78 in × 3.43 in))
  • Compression ratio: 11.5:1
  • Block material: High pressure die casting aluminum block
  • Cylinder head material: Aluminum
  • Valvetrain: Dual Over Head Cam (DOHC)
  • Valve timing: Dual-Continuous variable valve timing(D-CVVT)
  • Variable induction system
  • Fuel delivery: Gasoline Direct Injection / Electronic Fuel Injection
  • Recommended fuel: Premium Unleaded, though it can run safely on regular gasoline with reduced performance

    • Application

  • 2009–2014 Hyundai Equus
  • 2012–2014 Hyundai Genesis
  • 2012-2014 Kia K9 (K900 in US/Canada)

    • Awards

    The 4.6 Tau V8 Engine was named to the Wards 10 Best Engine Awards for 2009 and 2010. The Tau V8 received the award due to the engine's "velvety power delivery, competitive performance, and attainable price-- all of which epitomize the Korean auto maker's drive for world-class engineering", as quoted by Forbes. This was Hyundai Motor Co. Ltd. first appearance on Ward's 10 Best Engines list. The 5.0 Tau Engine was also named in the same awards for 2011.

    References

    Hyundai Tau engine Wikipedia
    (Text) CC BY-SA