The 4.5-liter Nissan VH45DE engine (or VH45 for short) was produced from 1989 to 2002 in Japan and was installed only on the especially luxurious President model and the American Infiniti Q45. This power unit is very popular for self-swap on sports cars.
Features of the VH45DE engine: forged steel crankshaft and connecting rods, 6-bolt main bearing caps, lightweight molybdenum-coated pistons, exhaust camshafts made of special materials, hydraulic lifters are present.
The VH family also includes an internal combustion engine: VH41DE.
The engine was installed on:
- Nissan President 2 (HG50) in 1990 – 2002;
- Infiniti Q45 1 (G50) in 1989 – 1996.
Specifications
| Manufacturer | Yokohama Plant |
| Production years | 1989-2002 |
| Cylinder block alloy | aluminum |
| Fuel system | injector |
| Configuration | V8 |
| Valves per cylinder | 4 |
| Piston stroke, mm | 82.7 |
| Cylinder bore, mm | 93 |
| Compression ratio | 10.2 |
| Displacement, cc | 4494 |
| Power output, hp | 278/6000 |
| Torque output, Nm / rpm | 396/4000 |
| Timing drive | single row chain |
| Fuel type | 95 |
| Euro standards | EURO 3/4 |
| Weight, kg | 237 |
| Fuel consumption, L/100 km (for Nissan President 2000) — city — highway — combined |
16.6 12.4 14.7 |
| Oil consumption, gr/1000 km | up to 1000 |
| Recommended engine oil | 5W-30 / 5W-40 / 10W-30 / 10W-40 |
| Engine oil capacity, liter | 5.6 |
| Oil change interval, km | 10000 |
| Engine lifespan, km | ~350 000 |
Disadvantages of the VH45DE engine
- The only weak point of the internal combustion engine is the plastic timing chain guides;
- On the electrical side, knock sensors periodically disturb, as well as a mass air flow sensor;
- In all other respects, the reliability of the motor is almost exemplary, and its resource is huge.
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