OUTLINE
The 8GR-FKS engine is a V-type, 6-cylinder, 3.5-liter, 24-valve DOHC engine. This engine is a Direct injection 4-stroke gasoline engine Superior version (D-4S) which uses both direct injection and port injection systems. In addition, this engine uses the Dual Variable Valve Timing-intelligent (Dual VVT-i) control, Direct Ignition System (DIS), Electronic Throttle Control System-intelligent (ETCS-i). It has been developed to achieve high performance, quietness, fuel economy and clean emissions.
SPECIFICATION
| No. of Cyls. and Arrangement | 6-cylinder, V-type | ||
| Valve Mechanism | 24-valve DOHC, Chain Drive (with Dual VVT-i) | ||
| Combustion Chamber | Pentroof Type | ||
| Manifolds | Cross-flow | ||
| Fuel System | Sequential Multiport Fuel Injection (SFI) D-4S | ||
| Ignition System | Direct Ignition System (DIS) | ||
| Displacement | 3456 cm3 (210.9 cu. in.) | ||
| Bore x Stroke | 94.0 mm x 83.0 mm (3.70 in. x 3.27 in.) | ||
| Compression Ratio | 11.8 : 1 | ||
| Max. Output | 232 kW @ 6600 rpm | ||
| Max. Torque | 380 N*m @ 4800 rpm | ||
| Valve Timing | Intake | Open | 47° to -33° BTDC |
| Closed | 25° to 105° ABDC | ||
| Exhaust | Open | 64° to 14°BBDC | |
| Closed | 0° to 50° ATDC | ||
| Spark Plug | Manufacture | DENSO | |
| Type | FK20HBR8 | ||
| Plug Gap | 0.7 mm to 0.8 mm | ||
| Firing Order | 1 - 2 - 3 - 4 - 5 - 6 | ||
| Research Octane Number | 95 or higher | ||
| Emission Regulations* | EURO 6 | ||
| EURO 5 | |||
| China 5 | |||
*: Emission regulations differ by country and region.
MAIN FEATURES
The following performance features have been achieved for the 8GR-FKS engine through the use of the items listed below:
A: High performance and reliability
B: Low noise and vibration
C: Lightweight and compact design
D: Good serviceability
E: Clean emissions and fuel economy
| Item | A | B | C | D | E |
|---|---|---|---|---|---|
| A high-expansion cycle (Atkinson cycle) is used. | ○ | - | - | - | ○ |
| Dual Variable Valve Timing-intelligent (Dual VVT-i) is used. | ○ | - | - | - | ○ |
| A steel laminate type cylinder head gasket is used. | ○ | - | - | - | - |
| A taper squish shape is used for combustion chamber. | ○ | - | - | - | ○ |
| A cylinder block sub-assembly made of aluminum alloy is used. | - | - | ○ | - | - |
| A cylinder head sub-assembly with integrated exhaust manifold is used. | ○ | - | - | - | ○ |
| The skirt portion of each piston has a resin coating applied to reduce friction. | ○ | ○ | - | - | ○ |
| A No. 1 oil pan made of aluminum alloy is used. | - | ○ | ○ | - | - |
| Valve lash adjuster assemblies are used | ○ | ○ | - | ○ | - |
| Timing chain and chain tensioner are used. | - | ○ | ○ | ○ | - |
| Valve rocker arm sub-assemblies are used. | ○ | - | - | - | - |
| An oil filter with a replaceable element is used. | - | - | - | ○ | - |
| TOYOTA Genuine Super Long Life Coolant (SLLC) is used. | - | - | - | ○ | - |
| A linkless-type throttle body is used. | - | - | ○ | ○ | - |
| An intake air surge tank made of plastic is used. | - | - | ○ | - | - |
| An ultra thin-wall, high-cell density ceramic type Three-Way Catalytic converter (TWC) is used. | - | - | - | - | ○ |
| A Direct injection 4-stroke gasoline engine Superior version (D-4S) system is used. | ○ | - | - | - | ○ |
| A slit nozzle type high pressure injector is used. | ○ | - | - | - | ○ |
| A 12-hole type injector assembly is used. | ○ | - | - | - | ○ |
| Iridium-tipped spark plugs are used. | ○ | - | - | - | ○ |
Tech Tips
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