Mitsubishi R39B engine

Mitsubishi R39B
Overview
ManufacturerMitsubishi
Production1971
Layout
ConfigurationInline-4
Displacement1,994 cc (2.0 L; 121.7 cu in)
Cylinder bore86 mm (3.4 in)
Piston stroke86 mm (3.4 in)
Cylinder block materialCast iron
Valvetrain4-valve valves per cylinder, hydraulic valve lifters, belt-driven double overhead camshaft (DOHC)
Combustion
Fuel systemFuel injection
Fuel typeGasoline
Cooling systemWater-cooled
Output
Power output280–290 hp (209–216 kW)

The Mitsubishi R39B is a 2.0 L (120 cu in), four-stroke, DOHC, naturally-aspirated, four-cylinder racing engine, designed, developed, and built by Mitsubishi, for the Japanese Formula 2000 championship, in 1971. It is itself based on the Saturn engine.