AR37601 Alfa Romeo Twin Spark 1.8

Атмосферний 4-циліндровий двигун з системою Twin Spark, відомий своєю надійністю при належному обслуговуванні.

Brand: Alfa Romeo Type: Petrol Configuration: Inline-4 Production Years: 1995 - 2001 Production: Pratola Serra, Italy
48 Brand engines
3 Modifications

Technical Specifications

Engine Displacement 1.8 L (1,747 cc)
Configuration Inline-4
Number of Cylinders 4
Valves per Cylinder 4
Power 144 л.с.
Torque 169 Н*м
Cylinder Bore 82.00 mm
Piston Stroke 82.70 mm
Compression Ratio 10.0:1
Firing Order 1-3-4-2
Fuel System Multi-point fuel injection
Aspiration Naturally Aspirated
Intercooler No
Maximum RPM 6,500 rpm
Max Torque RPM 3,500 rpm
Valve Train DOHC
Timing Drive Belt
Timing belt replacement interval 60,000 km
Block Material Aluminum
Head Material Aluminum
Lubrication System Wet sump
Cooling System Liquid cooling

Additional Information

Engine Family Twin Spark
Manufacturing Plant Pratola Serra, Italy
Predecessor null
Successor null

Maintenance

Engine Oil Capacity 4.4 L (with filter: 4.6 L)
Recommended Viscosity 10W-40
Oil Standard ACEA A3/B3
Recommended Brands Selenia, Castrol, Mobil 1
Oil Change Interval 10 000 km or 12 mo
Oil Filter 60613485
Air Filter 60613486
Replace every 30 000 km
Fuel filter 60613487
Cabin Filter 60613488
Spark Plugs Type: Platinum
Part number: 60613489
Gap: 0.9 mm
Quantity: 8 pcs
Replace every 40 000 km
Coolant Capacity 8 L
Coolant Type G12 (Paraflu)
Coolant Change Interval 60 000 km
Thermostat Opening Temperature 88°C
Operating Temperature 90°C
Max Operating Temperature 110°C
Critical Temperature 120°C
Annual Maintenance Cost 500-800 USD

Reliability

Reliability rating: 7/10

Expected lifespan: 250 000 km

Common problems

Problem Severity Mileage Repair cost
Timing belt failure High 60000-80000 km $500-1000
Oil leaks from cam cover gasket Medium 100000-150000 km $200-400

Known defects

  • Weak timing belt tensioner
  • Oil consumption issues

Tuning potential

Tuning potential: Medium | Max. safe power: 200 hp

Stage Power Torque Method Cost
Stage 1 160 hp 180 Nm ECU remap
Reliability impact: Minimal
$400
Stage 2 175 hp 190 Nm -
Required: Performance exhaust, Cold air intake
Reliability impact: Low
$1500
Stage 3 190 hp 200 Nm -
Required: High-performance camshaft, Upgraded fuel injectors
Reliability impact: Medium
$3000

Popular modifications

Tuning limitations

  • Stock internals limit power increase
  • Cooling system may need upgrades

Cars with the AR37601 engine

This engine was fitted to 2 models

Photo Brand Model Generation Production years
No photo
Alfa Romeo 147 147 1998 - 2010
No photo
Alfa Romeo 156 156 1997 - 2007

All modifications (3)

Vehicle Generation Modification Power Gearbox Drive
Alfa Romeo 147 147 1.6 JTD 105 л.с. 5-МКП 2WD 105 hp 5-МКП 2WD
Alfa Romeo 156 156 1.6 16V 105 л.с. 5-МКП 2WD 105 hp 5-МКП 2WD
Alfa Romeo 156 156 1.6 16V 105 л.с. 6-МКП 2WD 105 hp 6-МКП 2WD

Interesting Facts

  • The Twin Spark engine features two spark plugs per cylinder for better combustion efficiency.
  • Known for its distinctive Alfa Romeo engine note.

Applications

Total produced: unknown

Vehicle Generation Years Power Markets
Alfa Romeo 145 Type 930 1995-2001 144hp Europe
Alfa Romeo 146 Type 930 1995-2001 144hp Europe

Compatible transmissions: 5-speed Manual

Drive types: FWD

Fuel Economy

Fuel Type Petrol 95
Octane Rating Minimum: 95 | Recommended: 98
Consumption (City) 10.5 L/100km
Consumption (Highway) 6.5 L/100km
Consumption (Combined) 8 L/100km
Real Consumption 9 L/100km
Fuel Tank Capacity 63 L
Range 788 km
Cost per 100 km 15-20 USD

Emissions Standards

Emission Standard Euro 2
CO₂ Emissions 190 g/km
Particulate Filter (DPF) Absent
AdBlue Not Required

Comparison with competitors

Engine Brand Displacement Power Torque
XU7JP4 Peugeot 1,761 cc 112 hp 155 Nm
F7R Renault 1,998 cc 150 hp 185 Nm

Pros

  • Distinctive engine sound
  • Good performance for its time
  • Efficient combustion with Twin Spark technology

Cons

  • Higher maintenance costs
  • Known timing belt issues
  • Oil consumption can be high