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Chevrolet 327 Engine Specs

Chevrolet

Quick overview

Chevrolet 327 is a 5.4L (5359 cc) petrol engine with 250-375 HP, 447-488 Nm, 11.0:1 compression ratio. Fuel consumption: 14-18 L/100km. Typical service life: 280,000+ km with proper maintenance.

250-375
HP
5.4L (5359 cm3)
Displacement
447-488 Nm
Torque
Petrol
Fuel

Description

The Chevrolet 327 is one of the most admired classic small-block V8s and a major reason the Chevrolet small-block became such a performance icon in the 1960s. Introduced in 1962, it combined relatively compact displacement with a willingness to rev and strong factory performance, making it a favorite in Corvettes, full-size Chevrolets, and performance builds alike.

Chevrolet developed the 327 as a higher-output evolution of the early small-block formula. It retained the familiar cast-iron block and heads, OHV design, and timing chain drive, but with increased displacement and a wide range of performance-oriented configurations. Depending on version, factory power ranged from roughly 250 HP to 375 HP, with the top solid-lifter and fuel-injected variants becoming especially famous among enthusiasts.

In period and even today, the 327 is often seen as one of the sweetest classic small-blocks because it balances rev-happy character with useful street torque. It has enough pedigree for serious collectors, enough charm for restorations, and enough aftermarket support to remain relevant long after its original production years.

General Information

Production Years: 1962-1969
Fuel Type: Petrol
Fuel Consumption: 14-18 L/100km (13.1-16.8 mpg)
Power (HP): 250-375
Power (kW): 186-280
Displacement: 5.4L (5359 cm3) (327-0.2 cu.in)
Torque: 447-488 Nm (330-360 lb-ft)
Cylinder Block Alloy: Cast iron
Cylinder Head Alloy: Cast iron
Has Turbo: No
Engine Layout: V8
Aspiration Type: Naturally Aspirated
Fuel System: Carburetor or Mechanical 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: 8.75-11.0:1
Hydraulic Lifters: No
Minimum Octane: 91

Maintenance

Service Life (km): 280,000+ km with proper maintenance (174 miles)