L65 GM L65

6.2-літровий V8 двигун, що забезпечує високу потужність та крутний момент, але має високу витрату пального.

Brand: General Motors Type: Petrol Configuration: V8 Production Years: 2005 - 2010 Production: Silao, Mexico
3 Brand engines
13 Modifications

Technical Specifications

Engine Displacement 6.2 L (6,200 cc)
Configuration V8
Number of Cylinders 8
Valves per Cylinder 2
Power 300 - 393 л.с.
Torque 500 - 570 Н*м
Cylinder Bore 102.00 mm
Piston Stroke 92.00 mm
Compression Ratio 9.5:1
Firing Order 1-8-7-2-6-5-4-3
Fuel System Multi-point Fuel Injection
Aspiration Naturally Aspirated
Intercooler No
Maximum RPM 6,000 rpm
Max Torque RPM 4,000 rpm
Valve Train OHV
Timing Drive Chain
Block Material Cast Iron
Head Material Aluminum
Engine Weight 220 kg
Dimensions (L×W×H) 800 × 600 × 700 mm
Lubrication System Pressure lubrication
Cooling System Liquid cooling

Additional Information

Engine Family GM Vortec family
Manufacturing Plant Silao, Mexico

Maintenance

Engine Oil Capacity 6 L (with filter: 6.5 L)
Recommended Viscosity 5W-30
Oil Standard API SM/ILSAC GF-4
Recommended Brands Mobil 1, Castrol Edge, Valvoline
Oil Change Interval 8 000 km or 6 mo
Oil Filter ACDelco PF48
Air Filter ACDelco A3140C
Replace every 30 000 km
Spark Plugs Type: Platinum
Part number: ACDelco 41-110
Gap: 1.1 mm
Quantity: 8 pcs
Replace every 100 000 km
Coolant Capacity 12 L
Coolant Type Dex-Cool (GM Coolant)
Coolant Change Interval 240 000 km
Thermostat Opening Temperature 88°C
Operating Temperature 90°C
Max Operating Temperature 110°C
Critical Temperature 125°C
Annual Maintenance Cost 600-900 USD

Reliability

Reliability rating: 7/10

Expected lifespan: 300 000 km

Common problems

Problem Severity Mileage Repair cost
Oil consumption issues Medium 100000-150000 km $1000-1500
Fuel injector failures Medium 80000-120000 km $500-800

Known defects

  • Some models had issues with the intake manifold gaskets
  • Oil leaks from the rear main seal

Warranty extensions

  • GM extended warranty for engine issues up to 5 years/100000 miles

Tuning potential

Tuning potential: Medium | Max. safe power: 500 hp

Stage Power Torque Method Cost
Stage 1 350 hp 600 Nm ECU remap only
Reliability impact: Minimal 		$600
Stage 2 400 hp 650 Nm ECU, Exhaust System
Required: Cold air intake, High-performance exhaust
Reliability impact: Low 		$1500
Stage 3 450 hp 700 Nm -
Required: Supercharger, Upgraded fuel system
Reliability impact: Medium 		$5000

Popular modifications

  • Cold air intake
  • High-performance exhaust
  • ECU tuning

Tuning limitations

  • Stock internals limit power potential
  • Cooling system upgrades needed for high power

Cars with the L65 engine

This engine was fitted to 10 models

Photo Brand Model Generation Production years
No photo
 Hummer H1 H1 1992 - 2006
No photo
 Chevrolet Blazer K5 Blazer K5 (C/K Series) 1972 - 1995
No photo
 Chevrolet C-10 C-10 (C/K Series) 1973 - 1987
No photo
 Chevrolet C/K C/K Series (C/K10, C/K20, C/K30) 1973 - 1991
No photo
 Chevrolet C/K C/K Series (C/K1500, C/K2500, C/K3500) 1992 - 1999
No photo
 Chevrolet Chevelle Chevelle (A-body) 1973 - 1977
No photo
 Chevrolet Nova Nova (A-body) 1973 - 1979
No photo
 Chevrolet Van Chevrolet Van (G-Series) 1971 - 1995
No photo
 GMC C/K C/K Series (C/K) 1973 - 1987
No photo
 GMC Suburban Suburban (GMT400) 1992 - 1999
No photo
 Pontiac Parisienne Parisienne (B-body) 1971 - 1976
No photo
 Pontiac Parisienne Parisienne (C-body) 1977 - 1986

All modifications (13)

Vehicle Generation Modification Power Gearbox Drive
Hummer H1 H1 6.2L V8 205 л.с. 5-Автомат 4x4 205 hp 5-Автомат 4x4
Chevrolet Blazer K5 Blazer K5 (C/K Series) 6.2L V8 400 л.с. 6-Автомат 4x4 400 hp 6-Автомат 4x4
Chevrolet C-10 C-10 (C/K Series) Chevrolet C-10 6.6 V8 250 л.с. 4-Автомат 2WD 250 hp 4-Автомат 2WD
Chevrolet C/K C/K Series (C/K10, C/K20, C/K30) 6.2L V8 400 л.с. 4-Автомат 2WD 400 hp 4-Автомат 2WD
Chevrolet C/K C/K Series (C/K10, C/K20, C/K30) 6.2L V8 400 л.с. 5-Автомат 4x4 400 hp 5-Автомат 4x4
Chevrolet C/K C/K Series (C/K1500, C/K2500, C/K3500) 6.5L V8 400 л.с. 4-Автомат 4x4 400 hp 4-Автомат 4x4
Chevrolet Chevelle Chevelle (A-body) Chevrolet Chevelle 400 V8 180 л.с. 4-Автомат 2WD 180 hp 4-Автомат 2WD
Chevrolet Nova Nova (A-body) Chevrolet Nova 250 3.9 л.с. 6-МКП 2WD 115 hp 6-МКП 2WD
Chevrolet Van Chevrolet Van (G-Series) 6.2L V8 300 л.с. 4-Автомат 2WD 300 hp 4-Автомат 2WD
GMC C/K C/K Series (C/K) 6.2 V8 300 л.с. 4-Автомат 4x4 300 hp 4-Автомат 4x4
GMC Suburban Suburban (GMT400) 6.5L V8 300 л.с. 4-Автомат 4x4 300 hp 4-Автомат 4x4
Pontiac Parisienne Parisienne (B-body) 400 V8 6.6 л.с. 325 л.с. 3-Автомат 2WD 325 hp 3-Автомат 2WD
Pontiac Parisienne Parisienne (C-body) 6.6 V8 250 л.с. 3-Автомат 2WD 250 hp 3-Автомат 2WD

Interesting Facts

  • The L65 engine is known for its robust performance in off-road conditions.
  • It was part of the last generation of Hummer vehicles before the brand was discontinued.

Applications

Total produced: 150000

Vehicle Generation Years Power Markets
Hummer H3 H3 2005-2010 300hp/393hp North America

Compatible transmissions: 4-speed Automatic, 5-speed Manual

Drive types: 4WD

Fuel Economy

Fuel Type Petrol 95
Octane Rating Minimum: 91 | Recommended: 95
Consumption (City) 15 L/100km
Consumption (Highway) 10 L/100km
Consumption (Combined) 12 L/100km
Real Consumption 13.5 L/100km
Fuel Tank Capacity 98 L
Range 816 km
Cost per 100 km 15-20 USD

Emissions Standards

Emission Standard Euro 4
CO₂ Emissions 350 g/km
Particulate Filter (DPF) Absent
AdBlue Not Required

Comparison with competitors

Engine Brand Displacement Power Torque
5.3L Vortec GM 5,300 cc 315 hp 450 Nm
Ford 5.4L V8 Ford 5,400 cc 300 hp 500 Nm

Pros

  • Strong low-end torque for off-road capability
  • Good reliability when maintained properly

Cons

  • Higher fuel consumption compared to competitors
  • Some common issues with oil consumption