LNF Ecotec 2.0L Turbo LNF
Модульний 4-циліндровий двигун з TwinPower Turbo, відомий своєю потужністю та ефективністю, але вимагає регулярного обслуговування для забезпечення надійності.
14
Brand engines
13
Modifications
Technical Specifications
| Engine Displacement | 2.0 L (1,998 cc) |
| Configuration | Inline-4 |
| Number of Cylinders | 4 |
| Valves per Cylinder | 4 |
| Power | 200 - 250 л.с. |
| Torque | 350 - 400 Н*м |
| Cylinder Bore | 86.00 mm |
| Piston Stroke | 86.00 mm |
| Compression Ratio | 9.2:1 |
| Firing Order | 1-3-4-2 |
| Fuel System | Direct Injection |
| Aspiration | Turbocharged |
| Turbocharger | BorgWarner K04 |
| Intercooler | Yes |
| Maximum RPM | 6,300 rpm |
| Max Torque RPM | 2,000 rpm |
| Valve Train | DOHC |
| Timing Drive | Chain |
| Timing Chain Replacement | 250000 or as needed |
| Block Material | Aluminum |
| Head Material | Aluminum |
| Engine Weight | 139 kg |
| Dimensions (L×W×H) | null mm |
| Lubrication System | Pressure lubrication |
| Cooling System | Liquid cooling |
Additional Information
| Engine Family | GM Ecotec |
| Manufacturing Plant | Spring Hill, Tennessee, USA |
| Predecessor | null |
| Successor | LTG |
Maintenance
| Engine Oil Capacity | 5.7 L (with filter: 5.7 L) |
| Recommended Viscosity | 5W-30 |
| Oil Standard | API SN |
| Recommended Brands | ACDelco, Mobil 1, Castrol |
| Oil Change Interval | 12 000 km or 12 mo |
| Oil Filter | ACDelco PF457G |
| Air Filter |
ACDelco A3089C
Replace every 48 000 km |
| Fuel filter | non-serviceable |
| Cabin Filter | ACDelco CF188 |
| Spark Plugs |
Type: Iridium Part number: ACDelco 41-108Gap: 0.9 mm Quantity: 4 pcs Replace every 96 000 km |
| Coolant Capacity | 8.5 L |
| Coolant Type | Dex-Cool (ACDelco) |
| Coolant Change Interval | 240 000 km |
| Thermostat Opening Temperature | 87°C |
| Operating Temperature | 90°C |
| Max Operating Temperature | 110°C |
| Critical Temperature | 125°C |
| Annual Maintenance Cost | 600-1000 USD |
Reliability
Expected lifespan: 250 000 km
Common problems
| Problem | Severity | Mileage | Repair cost |
|---|---|---|---|
| High-pressure fuel pump failure | Medium | 80000-120000 km | $600-1000 |
| Turbocharger failure | High | 100000-150000 km | $1500-2500 |
Known defects
- Turbo oil seal issues
- Direct injection carbon buildup
Warranty extensions
- Extended warranty for turbocharger issues in some markets
Tuning potential
Tuning potential: Medium-High | Max. safe power: 450 hp
| Stage | Power | Torque | Method | Cost |
|---|---|---|---|---|
| Stage 1 | 300 hp | 400 Nm |
ECU remap only Reliability impact: Minimal |
$600 |
| Stage 2 | 350 hp | 450 Nm |
ECU, Downpipe, Intake Required: Upgraded intercooler, Downpipe, ECU remap Reliability impact: Low |
$3000 |
| Stage 3 | 400 hp | 500 Nm |
Hybrid Turbo, Injectors Required: Bigger turbo, Forged internals, Upgraded fuel system Reliability impact: Medium-High |
$8000 |
Popular modifications
- Cold air intake
- Cat-back exhaust
- Upgraded intercooler
Tuning limitations
- Stock internals limit above 350hp
- Fuel system upgrades needed for high power
Cars with the LNF engine
This engine was fitted to 6 models
| Photo | Brand | Model | Generation | Production years |
|---|---|---|---|---|
|
No photo
|
Cadillac | BLS | BLS | 2006 - 2010 |
|
No photo
|
Chevrolet | Cobalt | Cobalt | 2005 - 2010 |
|
No photo
|
Pontiac | Solstice | Solstice | 2005 - 2010 |
|
No photo
|
Saturn | Sky | Sky | 2007 - 2010 |
|
No photo
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Holden | Cruze | Cruze (J300) | 2002 - 2006 |
|
No photo
|
Pontiac | G4 | G4 (T200) | 2005 - 2010 |
All modifications (13)
| Vehicle | Generation | Modification | Power | Gearbox | Drive |
|---|---|---|---|---|---|
| Cadillac BLS | BLS | 2.0 Turbo 250 л.с. 6-МКП 4x4 | 250 hp | 6-МКП | 4x4 |
| Cadillac BLS | BLS | 2.0 Turbo 250 л.с. 7-Автомат 4x4 | 250 hp | 7-Автомат | 4x4 |
| Chevrolet Cobalt | Cobalt | 2.0L I4 155 л.с. 5-МКП 2WD | 155 hp | 5-МКП | 2WD |
| Chevrolet Cobalt | Cobalt | 2.0L I4 155 л.с. 4-Автомат 2WD | 155 hp | 4-Автомат | 2WD |
| Chevrolet Cobalt | Cobalt | 2.0L I4 173 л.с. 6-МКП 2WD | 173 hp | 6-МКП | 2WD |
| Chevrolet Cobalt | Cobalt | 2.0L I4 173 л.с. 4-Автомат 2WD | 173 hp | 4-Автомат | 2WD |
| Pontiac Solstice | Solstice | Pontiac Solstice 2.0L Turbo 260 л.с. 5-МКП 2WD | 260 hp | 5-МКП | 2WD |
| Pontiac Solstice | Solstice | Pontiac Solstice 2.0L Turbo 260 л.с. 5-Автомат 2WD | 260 hp | 5-Автомат | 2WD |
| Saturn Sky | Sky | 2.0L Turbo I4 260 л.с. 6-МКП 2WD | 260 hp | 6-МКП | 2WD |
| Saturn Sky | Sky | 2.0L Turbo I4 260 л.с. 5-Автомат 2WD | 260 hp | 5-Автомат | 2WD |
| Holden Cruze | Cruze (J300) | 2.0L 4-циліндровий 148 л.с. 6-Автомат 2WD | 148 hp | 6-Автомат | 2WD |
| Pontiac G4 | G4 (T200) | 2.0L 4-циліндровий 143 л.с. 5-МКП 2WD | 143 hp | 5-МКП | 2WD |
| Pontiac G4 | G4 (T200) | 2.0L 4-циліндровий 143 л.с. 4-Автомат 2WD | 143 hp | 4-Автомат | 2WD |
Interesting Facts
- The LNF engine was used in the Saturn Sky Red Line and Pontiac Solstice GXP.
- It was one of the first GM engines to feature direct injection.
Applications
Total produced: unknown
| Vehicle | Generation | Years | Power | Markets |
|---|---|---|---|---|
| Cadillac CTS | First Generation | 2008-2009 | 260hp | USA, Canada |
Compatible transmissions: 5-speed Automatic, 6-speed Manual
Drive types: RWD
Fuel Economy
| Fuel Type | Petrol 95 |
| Octane Rating | Minimum: 91 | Recommended: 95 |
| Consumption (City) | 11.2 L/100km |
| Consumption (Highway) | 7.8 L/100km |
| Consumption (Combined) | 9.5 L/100km |
| Real Consumption | 10 L/100km |
| Fuel Tank Capacity | 61 L |
| Range | 642 km |
| Cost per 100 km | 15-20 USD |
Emissions Standards
| Emission Standard | Euro 4 |
| CO₂ Emissions | 224 g/km |
| Particulate Filter (DPF) | Absent |
| AdBlue | Not Required |
Awards and Recognition
- Ward's 10 Best Engines (2008) — Best 2.0L Turbocharged Engine
Comparison with competitors
| Engine | Brand | Displacement | Power | Torque |
|---|---|---|---|---|
| N20B20 | BMW | 1,997 cc | 245 hp | 350 Nm |
| M274 | Mercedes-Benz | 1,991 cc | 211 hp | 350 Nm |
Pros
- Strong mid-range torque
- Direct injection for better efficiency
- Good tuning potential
Cons
- Turbocharger reliability issues
- Higher fuel consumption compared to newer engines
- Carbon buildup in intake valves