The 3.6L Alloytec V6 LE0: A Balance of Power and Efficiency
The 3.6 litre Alloytec V6 engine is a product of General Motors’ High Feature engine family, known for its balance of power and fuel efficiency. This LE0 engine variant was the standard offering for the VE Commodore, a popular model in Holden’s range. There was also the LW2 which is a dual fuel variant of the Alloytec and the LY7 the high output variant.
With a displacement of 3.6 litres, the Alloytec V6 offers 227 horsepower (169 kW) at 6600 rpm and 297 Nm (219 lb/ft) of torque at 3200 rpm. Notably, 90 percent of its peak torque was available from 1630 to 5460 rpm, providing an extensive torque spread that significantly enhances drivability and performance. This performance profile ensures that it delivers ample power for most driving conditions while maintaining a reasonable level of fuel economy.
In addition to its performance characteristics, the Alloytec V6 is also notable for its design features. It is a 3.6 litre 60-degree DOHC V6 with an estimated peak power of 190kW at 6,500 rpm. This design contributes to its robust performance and reliability, making it a solid choice for those seeking a dependable, everyday engine.
The engine was initially marketed as the ‘Alloytec 190’ for the Holden VZ range, where it produced 190kW at 6500rpm and 340Nm at 3200rpm. Significantly, it delivered 90 percent of peak torque between 1630 and 5460 rpm, providing a broad and flexible powerband for responsive performance across a wide range of driving conditions.
Alloytec Fuel System
One of the standout features of the Alloytec V6 engine is its fuel system. The engine employs sequential fuel injection, which offers better fuel efficiency and increased power output. Moreover, the bore and stroke measurements are 94mm x 85.6mm, allowing for a balanced combination of power and torque.
The 3.6L V6 Alloytec LE0 engine stands as a testament to Holden’s commitment to delivering engines that offer a balance of power, efficiency, and reliability. Whether for everyday commuting or spirited driving, this engine has proven to be a versatile choice for VE Commodore drivers.
3.6L Alloytec LE0 V6 Specifications
- Cylinders: 60-degree V6
- Capacity: 3564 cc
- Bore x Stroke (mm): 94 x 85.6
- Induction: Sequential fuel injection.
- Valvetrain: Double Overhead Cam, 4 valves / cylinder.
- Compression ratio: 10.2 : 1
- Maximum power: 180 kW @ 6000 rpm
- Maximum torque: 330 Nm @ 2600 rpm
- Recommended Fuel: 91 Octane (ULP)
3.6L Alloytec LE0 V6 Construction
Block: Sand-cast aluminium with cast iron bore liners
Cylinder Head: Semi-permanent mould aluminium
Intake Manifold: Aluminium
Exhaust manifold: High-silicon moly ductile iron
Pistons: Aluminium, polymer-coated skirts, full-floating wristpins
Crankshaft: Forged steel
Camshaft: Cast nodular iron
Connecting rods: Forged powdered metal
Performance Enhancements
For those interested in enhancing the performance of their Alloytec V6, there are various aftermarket options available. For example, Mace Engineering offers a Speed Demon package designed to suit the LE0, which claims to improve bottom-end torque and provide a cooler intake charge.
Read more about the VE Commodore engine variants