Nissan Y40

Nissan Y40The Nissan Y40 is a 4.0 l (3988 cc) gasoline-fueled, 4-stroke, spark-ignition internal-combustion V8 automobile piston engine, manufactured by the Nissan Motor Company from 1965 through 1973. Nissan built its first V8, in 1965 for its President limousine. The Y engine has been succeeded by two families of V8, the VH series during the 1980s and 1990s and the new VK series, which is also used in select Infiniti models.

The Y40 engine has OHV cylinder head design with 16 valves (2 per cylinder) and a 4-barrel carburetor Hitachi KHA-342-IE with dual throat down draught. It produces 197 PS (195 HP, 145 kW) at 5000 rpm and 323 Nm (237 lb·ft) at 3200 rpm of torque.

The Nissan Y40 bore is 92 mm and stroke is 75 mm and the compression ratio rating is 9.0:1.

The breakdown of the engine code is as follows:

  • Y – Engine Family
  • 40 – 4.0 Liter Displacement

General information

Engine Specifications
Engine codeY40
LayoutFour stroke, V8 (90 &deg:)
Fuel typeGasoline
Production1965-1973
Displacement4.0 l, 3988 cc (243.4 cu in)
Fuel systemCarburetor: Hitachi KHA-342-IE
Power adderNone
Power output197 PS (195 HP, 145 kW) at 5,000 rpm
Torque output323 Nm (237 lb·ft) at 3,200 rpm
Firing order1-8-4-3-6-5-7-2
Dimensions (L x H x W):
Weight

Cylinder block and head

The Y40 engine has a cast-iron cylinder block with five main bearings. The cylinder bore is 92 mm (3.6 in) and the piston stroke is 75 mm (3.0 in).

Cylinder block
Cylinder block alloyCast-iron
Compression ratio:9.0:1
Cylinder bore:92 mm (3.6 in)
Piston stroke:75 mm (3.0 in)
Cylinder head
Valve Arrangement:OHV
Valves:16 (2 valves per cylinder)

Vehicle applications

ModelYears Produced
Nissan President H1501965-1973
Nissan Cedric Patrol Y130 (Police only)1965-1971
ATTENTION! Dear visitors, this site is not a trading platform, an official dealer or a spare parts supplier, so we do not have any price lists or spare parts catalogs. We are an information portal and provide the technical specifications of gasoline and diesel engines.

We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. We do not provide advice on technical issues related to the engines operation or repair. We do not recommend using provided information for engines repairing engines or spare parts ordering, use only official service manuals and spare-parts catalogs.

Be the first to comment

Leave a Reply

Your email address will not be published.


*