L76 Pontiac L76

Pontiac L76 - це потужний V8 двигун, що використовувався в автомобілях Pontiac G8. Відомий своєю надійністю та високою продуктивністю, він забезпечує відмінну динаміку та потужність.

Brand: Pontiac Type: Petrol Configuration: V8 Production Years: 2008 - 2009 Production: St. Catharines, Ontario, Canada
4 Brand engines
5 Modifications

Technical Specifications

Engine Displacement 5.8 L (5,967 cc)
Configuration V8
Number of Cylinders 8
Valves per Cylinder 2
Power 361 л.с.
Torque 520 Н*м
Cylinder Bore 101.60 mm
Piston Stroke 92.00 mm
Compression Ratio 10.4:1
Firing Order 1-8-7-2-6-5-4-3
Fuel System Sequential Fuel Injection
Aspiration Naturally Aspirated
Intercooler No
Maximum RPM 6,000 rpm
Max Torque RPM 4,400 rpm
Valve Train OHV
Timing Drive Chain
Timing Chain Replacement 250000 or as needed
Block Material Aluminum
Head Material Aluminum
Engine Weight 200 kg
Dimensions (L×W×H) null mm
Lubrication System Wet sump
Cooling System Liquid cooling

Additional Information

Engine Family GM LS engine family
Manufacturing Plant St. Catharines, Ontario, Canada
Predecessor LS1
Successor L77

Maintenance

Engine Oil Capacity 6.6 L (with filter: 6.8 L)
Recommended Viscosity 5W-30
Oil Standard API SM
Recommended Brands Mobil 1, Castrol GTX, Valvoline
Oil Change Interval 12 000 km or 12 mo
Oil Filter PF48
Air Filter A3087C
Replace every 50 000 km
Spark Plugs Type: Iridium
Part number: 41-110
Gap: 1 mm
Quantity: 8 pcs
Replace every 100 000 km
Coolant Capacity 13 L
Coolant Type Dex-Cool (ACDelco)
Coolant Change Interval 240 000 km
Thermostat Opening Temperature 90°C
Operating Temperature 90°C
Max Operating Temperature 110°C
Critical Temperature 125°C
Annual Maintenance Cost 600-1000 USD

Reliability

Reliability rating: 8/10

Expected lifespan: 300 000 km

Common problems

Problem Severity Mileage Repair cost
Oil consumption Medium 100000-150000 km $500-1000

Known defects

  • Potential for lifter failure

Tuning potential

Tuning potential: High | Max. safe power: 550 hp

Stage Power Torque Method Cost
Stage 1 400 hp 570 Nm ECU remap only
Reliability impact: Minimal 		$600
Stage 2 450 hp 620 Nm ECU, Exhaust, Intake
Required: Cold air intake, Cat-back exhaust, ECU remap
Reliability impact: Low 		$2000
Stage 3 500 hp 680 Nm -
Required: Upgraded camshaft, Headers, High-flow cats
Reliability impact: Medium 		$5000

Popular modifications

  • Cold air intake
  • Performance exhaust
  • ECU tuning

Tuning limitations

  • Stock internals limit power potential
  • Cooling system upgrades recommended for track use

Детальні технічні характеристики

4
модифікацій
361–367
к.с.

Спільні характеристики

Back suspension Independent, spring
Back track width 1608 mm
Body type Sedan
Boost type none
Capacity 5967 cm3
Car class F
Compression ratio 9.6
Country USA
Cylinder bore 101.6 mm
Cylinder layout V-type
Engine code L76
Engine model L76
Engine placement Front, longitudinal
Engine type Gasoline
Front brakes Disc
Front suspension Independent, spring
Front track width 1592 mm
Fuel 95
Fuel tank capacity 73 l
Height 1465 mm
Injection type distributed injection (multipoint)
Length 4982 mm
Min trunk capacity 496 l
Number of cylinders 8
Number of doors 4
Number of gear 6
Number of seater 5
Rear brakes Disc
Steering wheel position Left
Stroke cycle 92 mm
Timing belt OHV
Valves per cylinder 2
Wheelbase 2915 mm
Width 1900 mm

Модифікації двигуна

6.0 AT (361 hp)
Привід Rear wheel drive КПП Automatic G8 1 2007–2009
361 hp
engine
Engine power 361 hp
Max power (kW) 266 kW
Max power at RPM 5200 RPM
Maximum torque 522 N*m
Turnover of maximum torque 4000 RPM
performance
Acceleration (0-100 km/h) 5.3 s
fuel
City driving fuel consumption per 100 km 19.0 l
Highway driving fuel consumption per 100 km 9.8 l
Mixed driving fuel consumption per 100 km 12.5 l
transmission
Drive wheels Rear wheel drive
Gearbox type Automatic
dimensions
Clearance 110 mm
Curb weight 1790 kg
6.0 AT (367 hp)
Привід Rear wheel drive КПП Automatic G8 1 2007–2009
367 hp
engine
Engine power 367 hp
Max power (kW) 270 kW
Max power at RPM 5700 RPM
Maximum torque 530 N*m
Turnover of maximum torque 4400 RPM
performance
Max speed 240 km/h
fuel
City driving fuel consumption per 100 km 15.0 l
Highway driving fuel consumption per 100 km 8.5 l
Mixed driving fuel consumption per 100 km 11.3 l
transmission
Drive wheels Rear wheel drive
Gearbox type Automatic
dimensions
Clearance 140 mm
Curb weight 1815 kg
suspension
Wheel size 245/45/R18
6.0 MT (361 hp)
Привід Rear wheel drive КПП Manual G8 1 2007–2009
361 hp
engine
Engine power 361 hp
Max power (kW) 266 kW
Max power at RPM 5200 RPM
Maximum torque 522 N*m
Turnover of maximum torque 4000 RPM
performance
Acceleration (0-100 km/h) 4.8 s
fuel
City driving fuel consumption per 100 km 19.0 l
Highway driving fuel consumption per 100 km 9.8 l
Mixed driving fuel consumption per 100 km 12.5 l
transmission
Drive wheels Rear wheel drive
Gearbox type Manual
dimensions
Clearance 110 mm
Curb weight 1790 kg
6.0 MT (367 hp)
Привід Rear wheel drive КПП Manual G8 1 2007–2009
367 hp
engine
Engine power 367 hp
Max power (kW) 270 kW
Max power at RPM 5700 RPM
Maximum torque 530 N*m
Turnover of maximum torque 4400 RPM
performance
Acceleration (0-100 km/h) 6.5 s
Max speed 240 km/h
fuel
City driving fuel consumption per 100 km 13.5 l
Highway driving fuel consumption per 100 km 8.1 l
Mixed driving fuel consumption per 100 km 10.0 l
transmission
Drive wheels Rear wheel drive
Gearbox type Manual
dimensions
Clearance 140 mm
Curb weight 1800 kg
suspension
Wheel size 245/45/R18

Cars with the L76 engine

This engine was fitted to 3 models

Photo Brand Model Generation Production years
No photo
 Chevrolet Avalanche Avalanche 2002 - 2013
No photo
 Pontiac G8 G8 2008 - 2009
No photo
 Pontiac Grand Prix Grand Prix 1996 - 2008

All modifications (5)

Vehicle Generation Modification Power Gearbox Drive
Chevrolet Avalanche Avalanche 6.0L V8 366 л.с. 6-ступ. Автомат 2WD 366 hp 6-ступ. Автомат 2WD
Chevrolet Avalanche Avalanche 6.0L V8 366 л.с. 6-ступ. Автомат 4x4 366 hp 6-ступ. Автомат 4x4
Pontiac G8 G8 Pontiac G8 6.0L V8 361 л.с. 6-МКП 2WD 361 hp 6-МКП 2WD
Pontiac G8 G8 Pontiac G8 6.0L V8 361 л.с. 6-Автомат 2WD 361 hp 6-Автомат 2WD
Pontiac Grand Prix Grand Prix 5.3L V8 303 л.с. 4-Автомат 2WD 303 hp 4-Автомат 2WD

Interesting Facts

  • The L76 engine was used in the Pontiac G8 GT, which was a rebadged version of the Holden Commodore VE.

Applications

Total produced: unknown

Vehicle Generation Years Power Markets
Pontiac G8 GT VE 2008-2009 361hp USA, Australia

Compatible transmissions: 6-speed Automatic

Drive types: RWD

Fuel Economy

Fuel Type Petrol 95
Octane Rating Minimum: 91 | Recommended: 95
Consumption (City) 15 L/100km
Consumption (Highway) 9.4 L/100km
Consumption (Combined) 12.2 L/100km
Real Consumption 13.5 L/100km
Fuel Tank Capacity 73 L
Range 598 km
Cost per 100 km 18-25 USD

Emissions Standards

Emission Standard Euro 4
CO₂ Emissions 290 g/km
Particulate Filter (DPF) Absent
AdBlue Not Required

Comparison with competitors

Engine Brand Displacement Power Torque
Hemi 5.7 Chrysler 5,654 cc 370 hp 536 Nm
Coyote 5.0 Ford 4,951 cc 412 hp 530 Nm

Pros

  • Strong low-end torque
  • Good tuning potential
  • Reliable with regular maintenance

Cons

  • High fuel consumption
  • Potential for oil consumption issues