Hyundai Tau engine
The Tau is a family Hyundai Motor Company's V8 gasoline engines, replacing the Omega.
Tau MPi
Hyundai Motor Company has also shown a supercharged version of the 4.6 Tau MPi engine at 2008 SEMA show,[1] 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.[2]
| Model | Engine code | Displacement (bore x stroke) | Power@rpm, Torque@rpm | Compression ratio (:1) |
|---|---|---|---|---|
| 4.6 Tau MPi (366PS) | G8BA | 4,627 cc (282.4 cu in) (92.0 mm × 87.0 mm (3.62 in × 3.43 in)) | 366 PS (269 kW; 361 hp)@6500, 44.8 kg·m (439 N·m; 324 lbf·ft)@3500 | 10.4 |
| 4.6 Tau MPi (390PS) | G8BA | 4,627 cc (282.4 cu in) (92.0 mm × 87.0 mm (3.62 in × 3.43 in)) | 383 PS (282 kW; 378 hp)@6500, 44.8 kg·m (439 N·m; 324 lbf·ft)@3500 Premium fuel: 390 PS (287 kW; 385 hp)@6500, 46.0 kg·m (451 N·m; 333 lbf·ft)@3500 | 10.4 |
| 5.0 Tau MPi | G8BB | 5,038 cc (307.4 cu in) (96.0 mm × 87.0 mm (3.78 in × 3.43 in)) | Premium fuel: 400 PS (294 kW; 395 hp)@6400, 51.0 kg·m (500 N·m; 369 lbf·ft)@3500 | 10.4 |
Specifications
4.6 Tau MPi[3] 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))[4]
- Stroke: 3.42 inches (87 mm)[4]
- Compression ratio: 10.4:1[4]
- 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
Application
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.
| Model | Engine code | Displacement (bore x stroke) | Power@rpm, Torque@rpm | Compression ratio (:1) |
|---|---|---|---|---|
| 5.0 Tau GDi | G8BE | 5,038 cc (307.4 cu in) (96.0 mm × 87.0 mm (3.78 in × 3.43 in)) | 430 PS (316 kW; 424 hp)@6400, 52.0 kg·m (510 N·m; 376 lbf·ft)@5000 Premium fuel: 435 PS (320 kW; 429 hp)@6400, 52.0 kg·m (510 N·m; 376 lbf·ft)@5000 | 11.5 |
2015 Updates[5]
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
| Model | Engine code | Displacement (bore x stroke) | Power@rpm, Torque@rpm | Compression ratio (:1) |
|---|---|---|---|---|
| 5.0 Tau GDi | G8BE | 5,038 cc (307.4 cu in) (96.0 mm × 87.0 mm (3.78 in × 3.43 in)) | Regular fuel: 413 PS (304 kW; 407 hp)@6000, 51.4 kg·m (504 N·m; 372 lbf·ft)@5000 Premium fuel: 425 PS (313 kW; 419 hp)@6000, 53.0 kg·m (520 N·m; 383 lbf·ft)@5000 | 11.8 |
Specifications
5.0 Tau GDi[6] 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.[7] 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.
See also
References
- ↑ "SEMA 2008: Hyundai debuts tuned Genesis Sedans, 460-hp supercharged V8". Autoblog. 2008-11-04.
- ↑ "Hyundai Shows Off 460 HP Prototype Supercharged Tau V8". Jalopnik. 2009-02-12.
- ↑ "2009 Hyundai Genesis Specs". JB car pages. Retrieved 2008-08-22.
- 1 2 3 Ponticel, Patrick (May 2008). "Hyundai V8 for Genesis is first in the family". Automotive Engineering International. 116 (5). p. 30.
- ↑ "2015 Hyundai Genesis stiffer, quieter thanks to re-engineered chassis, body structure, powertrain - SAE International". articles.sae.org. Retrieved 2016-04-25.
- ↑ "Take that Mustang?Hyundai develops 429-hp 5.0-Liter Tau V8,Will Hook It To Eight Speed Auto". Car and Driver. Retrieved 2010-06-24.
- ↑ "Tau V8 Award". CubicCapacity.com. Archived from the original on 2009-05-01. Retrieved 2010-02-19.