Nissan VR engine

Nissan VR engine
Overview
Manufacturer	Nissan (Nissan Machinery)
Designer	Naoki Nakada[1]
Production	2007–present
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 material	Aluminum
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/VR35DDTT)
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, Nissan RB engine

The VR is a series of twin-turbo DOHC V6 automobile engines from Nissan with displacements of 3.0, 3.5, 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.