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Chevrolet LS7 Engine Specs

Chevrolet

Quick overview

Chevrolet LS7 is a 7.0L (7011 cc) petrol engine with 505 HP, 637 Nm, 11.0:1 compression ratio. Fuel consumption: 14-18 L/100km. Typical service life: 250,000+ km with proper maintenance.

505
HP
7.0L (7011 cm3)
Displacement
637 Nm
Torque
Petrol
Fuel

Description

The Chevrolet LS7 is the 7.0-liter flagship naturally aspirated engine of the classic LS family and one of the most celebrated production pushrod V8s ever built. Introduced for the C6 Corvette Z06, it represented the outer edge of what Chevrolet could achieve with naturally aspirated LS architecture before moving into supercharged halo territory.

Chevrolet developed the LS7 as a serious high-performance engine with racing influence and very little compromise. It used a large 7.0-liter displacement, high-flow cylinder heads, a dry-sump lubrication system in Corvette application, and lightweight internal components to produce 505 HP and 637 Nm in factory form. Despite its size and output, it still kept the compact OHV layout that defines the LS platform.

The LS7 stands out for its combination of massive displacement, sharp throttle response, and naturally aspirated character. It powered the Corvette Z06 and later the Camaro Z/28, and it remains a dream engine for enthusiasts who want big-cube V8 performance without turbochargers or a supercharger. Even within the LS world, the LS7 occupies a special place.

General Information

Production Years: 2006-2015
Fuel Type: Petrol
Fuel Consumption: 14-18 L/100km (13.1-16.8 mpg)
Power (HP): 505
Power (kW): 377
Displacement: 7.0L (7011 cm3) (427.8-0.2 cu.in)
Torque: 637 Nm (470 lb-ft)
Cylinder Block Alloy: Aluminum alloy
Cylinder Head Alloy: Aluminum alloy
Has Turbo: No
Engine Layout: V8
Aspiration Type: Naturally Aspirated
Fuel System: Sequential Fuel Injection
Head Type: OHV, 16 valves
Timing Drive: Timing Chain
Cooling Type: Liquid Cooled
Cylinders Count: 8

Technical Details

Total Valves: 16
Compression Ratio: 11.0:1
Hydraulic Lifters: No
Minimum Octane: 91

Maintenance

Service Life (km): 250,000+ km with proper maintenance (155 miles)