The Toyota 1G-E is a 2.0 L (1,988 cc, 121.3 cu·in) straight-six, natural aspirated four-stroke liquid-cooled internal combustion vertical gasoline engine, manufactured by Toyota from 1984 to 1991.
A 75.0 mm (2.95 in) cylinder bore and 75.0 mm (2.95 in) piston stroke give the 1G-E engine a total of 1,988 cc of displacement. Compression ratio rating is from 9.2:1.
This engine produced 105.0 PS (77 KW; 103.5 HP) at 5,200 rpm of maximum horsepower and 160 Nm (16.32 kg·m; 118.08 ft·lb) at 4,000 rpm of peak torque.
The Toyota 1G-E features:
- Cast-iron cylinder block
- Aluminum cylinder head
- SOHC design (Single belt-driven overhead camshafts)
- Multi-Point fuel injection
- Electronic throttle body (3-rd gen.)
- Forced lubrication system
- Liquid cooling system
- Electric starter
General information
Engine Specifications | |
Engine model | 1G-E |
Engine type | 4-stroke, SOHC, straight-six |
Displacement | 2.0 L, 1,988 cm3 (121.3 cu in) |
Max. horsepower | 105.0 PS (77 KW; 103.5 HP) at 5,200 rpm |
Max. torque | 160 Nm (16.32 kg·m; 118.08 ft·lb) at 4,000 rpm |
Cooling system | Liquid-cooled |
Lubricating system | Forced lubrication |
Ignition system | – |
Fuel system | Multi-Point fuel injection) |
Fuel used | Gasoline |
Starting system | Electric starter |
Firing order: | 1-5-3-6-2-4 |
Dimensions (L x W X H) | – |
Dry weight | 180 kg (397 lbs) |
Cylinder Block and Head
Cylinder block | |
Cylinder block alloy: | Cast-iron |
Compression ratio: | 9.2:1 |
Cylinder bore: | 75.0 mm (2.95 in) |
Piston stroke: | 75.0 mm (2.95 in) |
Cylinder internal diameter (standard): | 75.000-75.030 mm (2.9528-2.9539 in) |
Piston skirt outer diameter (standard): | 74.955-74.985 mm (2.9510-2.9520 in) |
Number of piston rings (compression / oil): | 2/1 |
Ring side clearance (Top): | 0.040-0.080 mm (0.0016-0.0031 in) |
Ring side clearance (Second): | 0.030-0.070 mm (0.0012-0.0028 in) |
Ring end gap (Top): | NPR: 0.150-0.390 mm (0.0059-0.0153 in) Riken: 0.150-0.440 mm (0.0059-0.0173 in) |
Ring end gap (Second): | NPR: 0.150-0.390 mm (0.0059-0.0153 in) Riken: 0.100-0.390 mm (0.0039-0.0153 in) |
Ring end gap (Oil): | NPR: 0.200-0.590 mm (0.0079-0.0232 in) Riken: 0.300-0.990 mm (0.0118-0.0390 in) |
Number of main bearings: | 7 |
Crankshaft main journal diameter: | 54.985-55.000 mm (2.1647-2.1653 in) |
Crankpin journal diameter: | 41.985-42.000 mm (1.6529-1.6535 in) |
Cylinder head | |
Cylinder head alloy: | Aluminum |
Valve arrangement: | SOHC, belt driven |
Valves: | 2,(12 valves in total) |
Valve head diameter (INTAKE): | – |
Valve head diameter (EXHAUST): | – |
Valve length (INTAKE): | 93.100-93.700 mm (3.6653-3.689 in) |
Valve length (EXHAUST): | 93.000-93.600 mm (3.6614-3.685 in) |
Valve steam diameter (INTAKE): | 5.970-5.985 mm (0.235-0.2356 in) |
Valve steam diameter (EXHAUST): | 5.965-5.980 mm (0.2348-0.2354 in) |
Valve spring free length (INTAKE): | Inner: 35.50 mm (1.3976 in) Outer: 38.00 mm (1.4960 in) |
Valve spring free length (EXHAUST): | Inner: 35.50 mm (1.3976 in) Outer: 38.00 mm (1.4960 in) |
Tightening torque
Tightening torque specs | |
Cylinder head: | 60-70 Nm (6.1-7.1 kgf·m; 44.3-51.7 ft·lb) |
Main bearing cap bolts: | 60 Nm (6.1 kg·m; 44.3 lb·ft) |
Connecting rods cap bolts: | 50 Nm (5.1 kg·m; 36.9 lb·ft) |
Spark plug: | 18 N·m (1.8 kg·m, 13.3 lb·ft) |
Service Data
Cylinder compression pressure | |
Standard: | 13.0 kg/cm2, 185 psi/ 300 rpm |
Minimum: | 10.0 kg/cm |
Oil system | |
Lubrication system: | Forced lubrication |
Recommended engine oil, SAE: | 10W-30 |
Oil type, API: | SG or better |
Engine oil capacity: | 3.9 l (4.1 US qts, 3.4 Imp qts) |
Oil change interval, km (miles): | 10,000 (6,000) |
Ignition system | |
Spark plug: | DENSO W20EXR-U, NGK BPR6EY |
Spark plug torque: | 18 N·m (1.8 kg·m, 13.3 lb·ft) |
Vehicle applications
Model | Years Produced |
Toyota Cressida (X70) | 1984-1988 |
Toyota Crown (S130) | 1987-1991 |
Toyota Mark II Van (X70) | 1984-1991 |
We try to use official documentation and verify the published data, but errors may occur. In addition, specifications of machinery and equipment may vary depending on markets and modifications. We do not recommend the use of this data for spare parts or repairs. Use official service manuals or parts catalogs for your product.
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