Nissan VR engine

Last updated
Nissan VR engine
Nissan VR38DETT Engine.JPG
Overview
Manufacturer Nissan (Nissan Machinery)
DesignerNaoki Nakada [1]
Production2007present
Layout
Configuration 60° V6
Displacement
  • 3.0 L (2,997 cc)
  • 3.5 L (3,492 cc)
  • 3.8 L (3,799 cc)
Cylinder bore
  • 86.0 mm (3.39 in)
  • 95.5 mm (3.76 in)
Piston stroke
  • 86.0 mm (3.39 in)
  • 100.2 mm (3.94 in)
  • 88.4 mm (3.48 in)
Cylinder block material Aluminum
Cylinder head materialAluminum
Valvetrain DOHC, 4 valves per cylinder
Compression ratio 9.0:1, 10.3:1
Combustion
Turbocharger Twin-turbo charged
Fuel system Multi-point (VR38DETT)/Direct injection (VR30DDTT)
Fuel type Gasoline
Cooling system Water-cooled
Dimensions
Dry weight 429.5 lb (194.8 kg) (VR30DDTT)
608 lb (276 kg) (VR38DETT)
Chronology
Predecessor Nissan VQ engine, RB26DETT (spiritual)

The VR is a series of twin-turbo DOHC V6 automobile engines from Nissan with displacements of 3.0 and 3.8 L. An evolution of the widely successful VQ series, it also draws on developments from the VRH, JGTC, and Nissan R390 GT1 Le Mans racing engines.

Contents

VR30 series

VR30DDTT

Announced by Infiniti on December 15, 2015 the VR30DDTT [2] was first made available in the Infiniti Q50 sedan, followed by the Infiniti Q60 coupé a year later. Both platforms come in a 300 and 400 hp (224 and 298 kW) version. [3] It is on the Ward's 10 Best Engines list for 2017 and 2018.

Features: [4]

Nissan VR30DDTT Engine at Nissan's Engine Museum in Yokohama, Japan VR30DDTT Engine.jpg
Nissan VR30DDTT Engine at Nissan's Engine Museum in Yokohama, Japan

Applications:

YearsModelPower output
2016–present Infiniti Q50 300–400 hp (224–298 kW)
2017–2022 Infiniti Q60 300–400 hp (224–298 kW)
2019–present Nissan Skyline 300–400 hp (224–298 kW)
2022–present Nissan Z 400–420 hp (298–313 kW)

Production

Production of the VR30DDTT engine began in 2016 at the powertrain plant in Iwaki, Fukushima. [5] [6] [7]

VR35 series

VR35DDTT

The VR35DDTT was announced in March 2024 for the upcoming, third generation Infiniti QX80. It will also be used in the related Nissan Armada/Patrol. [8] It is a larger version of the VR30DDTT and replaces the 5.6-liter VK56 V8 engine in Nissan's largest automobiles. A bore and stroke of 86 mm × 100.2 mm (3.39 in × 3.94 in) makes for an overall displacement of 3.5 L (3,492 cc; 213.1 cu in). [9]

Applications:

YearsModelPower outputTorqueMarket
2024–present Infiniti QX80 (Z63)336 kW (450 hp) at 5,600 rpm700 N⋅m (516 lb⋅ft) at 3,600 rpmNorth America
2024–present Nissan Patrol (Y63)335 kW (449 hp) at 5,600 rpm698 N⋅m (515 lb⋅ft) at 3,600 rpm [8] Australia

VR38 series

Nissan VR38DETT Engine at Nissan Engine Museum in Yokohama, Japan Nissan VR38DETT Engine at Nissan Engine Museum.jpg
Nissan VR38DETT Engine at Nissan Engine Museum in Yokohama, Japan
Nissan VR40DETT Engine at Nissan Engine Museum.jpg
Nissan GT-R (R35) is powered by the VR38DETT Nissan GT-R MY2017 (1).jpg
Nissan GT-R (R35) is powered by the VR38DETT

VR38DETT

Designated the VR38DETT by Nissan, the engine is used from 2007Present in the Nissan GT-R [10] and the limited production Nissan Juke-R.

The VR38DETT featured 24 valves controlled by dual overhead camshafts (2 per cylinder head) with variable valve timing on the intake only. The block is cast aluminium with 0.15 mm (0.0059 in) plasma-sprayed cylinder liner bores. This coating provides a hard protective layer for the piston rings to slide on as the piston moves up and down during its power cycle. The turbine housings for the two IHI turbochargers are integrated into the exhaust manifolds to decrease weight and bolster vehicle balance. The engine also features a pressurized lubrication system controlled thermostatically. The VR38DETT is equipped with a feedback control system that changes air fuel ratio depending on the engine load which has a significant effect on reducing the fuel consumption. [11]

Since 2011, all VR38DETTs produced came with a red top engine cover in the GT-R 2012 Nissan GT-R engine.jpg
Since 2011, all VR38DETTs produced came with a red top engine cover in the GT-R

Fully equipped with the first set of catalytic converters, turbos, all of the engine driven accessories, front differential assembly, and turbo outlet pipes, the engine weighed 608 lb (276 kg). [12]

Other pertinent features of the VR38DETT include:

Applications:

YearsModelPower output
2007–present Nissan GT-R 480–710 hp (358–529 kW)
2011 Nissan Juke-R (only 5 units were produced)545 hp (406 kW)
2014 Infiniti Q50 Eau Rouge Prototype (Concept car)560 hp (418 kW)
2023 Praga Bohema 700 hp (522 kW)
Racing:
2012–present Nissan GT-R Nismo GT3 530–550 hp (395–410 kW)
2014–2021 Renault Sport R.S. 01 550 hp (410 kW) [13]
2017–2019 Ligier Nissan DPi 599 hp (447 kW)

VR38DETT NISMO Engine Tuning Menu Concept (2016)

It is a version of VR38DETT engine used in Nissan GT-R, with GT3-spec camshaft, connecting rod and connecting rod bolt, intercooler, intercooler piping, turbocharger, NISMO 1st and 2nd catalyzers, titanium muffler.

The engine was unveiled in 2016 Tokyo Auto Salon. [14] [15]

Production

The engines are hand built by five specially trained mechanics called "Takumi Craftsmens" on a special line at Nissan's Yokohama plant and their names are badged on every GT-R engine. The cars are built at their Tochigi plant on a shared production line. [16] [17] [18] [19] [20]

Engine reference

Engine codeVehicleYearDisplacementBore x strokeWeightC.R.Max. powerMax. torqueFeatures
VR30DDTT Infiniti Q50/Infiniti Q60
Nissan Skyline
Nissan Z (RZ34)
2016-present2,997 cc (3.0 L; 182.9 cu in)86 mm × 86 mm (3.39 in × 3.39 in)approx.429.5 lb (194.8 kg)10.3:1300 hp (224 kW) @ 6,400 rpm

400–420 hp (298–313 kW) @ 6,400 rpm (High Output)

295 lb⋅ft (400 N⋅m) @ 1,600-5,200 rpm

350–384 lb⋅ft (475–521 N⋅m) @ 1,600-5,200 rpm (High output)

DOHC per bank
Variable inlet and outlet cam phasing
Twin Turbo
High pressure multi-split direct injection
VR38DETT Nissan GT-R 2007–present3,799 cc (3.8 L; 231.8 cu in)95.5 mm × 88.4 mm (3.76 in × 3.48 in)approx.608 lb (276 kg)9.0:1480–565 hp (358–421 kW) @ 6,400/ 6,800 rpm
600 hp (447 kW) @ 6,800 rpm (NISMO)
711 hp (530 kW) (GT-R50)
430–467 lb⋅ft (583–633 N⋅m) @ 3,200-6,000/ 3,300-5,800 rpm

481 lb⋅ft (652 N⋅m) @ 3,200-5,800 rpm (NISMO)
575 lb⋅ft (780 N⋅m) (GT-R50)

DOHC per bank
Variable inlet cam phasing
Twin Turbo

See also

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References

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