Nissan QG engine
Reciprocating internal combustion engine From Wikipedia, the free encyclopedia
Reciprocating internal combustion engine From Wikipedia, the free encyclopedia
The QG engine is a 1.3 L (1,295 cc), 1.5 L (1,497 cc), 1.6 L (1,597 cc) and 1.8 L (1,769 cc) straight-4 piston engine from Nissan. It is a lean-burn aluminum DOHC 4-valve design with variable valve timing and optional NEO Di direct injection.
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| Nissan QG engine | |
|---|---|
QG18DE engine at the Nissan Engine Museum | |
| Overview | |
| Manufacturer | Nissan Machinery (Aichi Kikai) |
| Layout | |
| Configuration | Straight-4 |
| Displacement | 1.3–1.8 L (1,295–1,769 cc) |
| Cylinder bore | 71 mm (2.8 in) 73.6 mm (2.90 in) 76 mm (2.99 in) 80 mm (3.15 in) |
| Piston stroke | 81.8 mm (3.22 in) 88 mm (3.46 in) |
| Cylinder block material | Cast-iron |
| Cylinder head material | Aluminum |
| Valvetrain | DOHC 4 valves x cyl. with VVT |
| Compression ratio | 9.5:1 |
| RPM range | |
| Max. engine speed | 6500 |
| Combustion | |
| Fuel system | Electronic fuel injection MPFI (in QG18DE) Direct injection (optional in NEO Di) |
| Fuel type | Gasoline Natural gas (in QG18DEN) |
| Cooling system | Water-cooled |
| Output | |
| Power output | 87–130 hp (65–97 kW) |
| Torque output | 130–174 N⋅m (96–128 lb⋅ft) |
| Chronology | |
| Predecessor | Nissan GA engine |
The QG engines were designed by Nissan's Aichi Kikai division [1] in Japan.
Nissan websites state the QG as standing for "Quality and Green".[2]
The QG13DE is a 1.3 L (1,295 cc) DOHC 16-valve with 4-cylinder. It produces 87 hp (65 kW) at 6000 rpm and 130 N⋅m (96 lb⋅ft) at 4400 rpm. Bore x Stroke= 71 mm × 81.8 mm (2.80 in × 3.22 in)
It is used in the following vehicles:
Water-cooled straight 4 cylinder engine with 1.5 L (1,497 cc) capacity and DOHC control. Bore and stroke are 73.6 mm × 88 mm (2.90 in × 3.46 in). Output is 90 hp (67 kW) at 5600 rpm and 128 N⋅m (94 lb⋅ft) at 2800 rpm and later 105 hp (78 kW) at 6000 rpm and 143 N⋅m (105 lb⋅ft) at 4400 rpm.
This engine is used in:
Power outputs for N16 Almera:
The QG16DE is a 1.6 L (1,597 cc) straight 4-cylinder engine with double over head camshafts with 16 valves. The cylinder head also features Nissan Variable Cam Timing (N-VCT) and micro-polished camshafts. A new water pump assembly has been designed for the QG16DE; the design is based on the water pump from the GA16DE, the changes made it more efficient and reliable than its predecessor. The engine produces 88 kW (118 hp) at 6000 rpm and 165 N⋅m (122 lb⋅ft) at 4000 rpm. Bore and stroke is 76 mm × 88 mm (2.99 in × 3.46 in).
Specifications
It is used in the following vehicles:
The 1.8 L direct-injection QG18DD produces 130 hp (97 kW) at 6000 rpm and 174 N⋅m (128 lb⋅ft) at 2800 rpm.
It is used in the following vehicles:
The 1.8 L (1,769 cc) QG18DE was designed for Nissan by Aichi Machine Industry, Japan. It is manufactured both in Japan and the Mexican city of Aguascalientes. Bore and stroke is 80 mm × 88 mm (3.15 in × 3.46 in). The engine is tuned to achieve most of its torque at low revs at the expense of raw power at high revs, making the engine very responsive in day-to-day driving. It has a cast-iron engine block, aluminum DOHC cylinder head, uses Multi-port fuel injection, forged-steel connecting rods, two single-piece cast camshafts and a cast-aluminum intake manifold. It also features N-VCT (Nissan's Valve Timing Control technology). This engine received the RJC Technology of The Year Award of 2001.[3]
Specifications
Emissions Control Devices
The QG18DE is used in the following vehicles:
The QG18DEN is the natural gas version of the QG18DE. It produces 105 hp (78 kW) at 5600 rpm and 149 N⋅m (110 lb⋅ft) at 2800 rpm. Bore and Stroke are 80 mm × 88 mm (3.15 in × 3.46 in). It was used in the Nissan AD van from 2000 to 2008.
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