Nissan C engine

Nissan C engine
Overview
ManufacturerNissan Motors
Also calledStone engine
Production1957-1964
Layout
ConfigurationInline-four
Displacement1.0 L (988 cc)
Cylinder bore73 mm (2.9 in)
Piston stroke59 mm (2.3 in)
Cylinder block materialCast iron
Cylinder head materialCast iron
ValvetrainOHV
Valvetrain drive systemChain
Compression ratio8.0:1
Combustion
Fuel systemCarburetor
Fuel typeGasoline
Cooling systemWater-cooled
Output
Power output37 hp (28 kW)
Torque output64.7–66.4 N⋅m (47.7–49.0 lb⋅ft)
Chronology
PredecessorDatsun sidevalve engine
SuccessorNissan E engine / Nissan A engine

The Nissan C-series was an inline-four automobile engine produced in the 1950s and into the 1960s. It displaced 1.0 L (988 cc) and produced 37 hp (28 kW) and 47.7 to 49 lb⋅ft (64.7 to 66.4 N⋅m). It was a pushrod engine and used single or dual-26 mm carburetors.

The C engine was derived from the 1.5 L (1,489 cc) Nissan 1H engine, itself being a licensed built version of the 1.5 BMC B-series engine that featured a 73 mm (2.87 in) bore and 89 mm (3.50 in) stroke. To create the C engine, Nissan under the advice of American engineer Donald Stone (formerly of Willys-Overland) followed his suggestion of de-stroking the 1.5 engine from 89 to 59 mm (3.50 to 2.32 in), with the resulting C1 engine being called the "Stone engine" in his honor. When it was later increased to 1.2 L via an increased stroke from 59 to 71 mm (2.32 to 2.80 in), it was called the Nissan E engine.

The Nissan C engine would go on to be directly replaced by the Nissan A engine in the 1967 Nissan Sunny B10, whose 1-litre A10 unit shared the same displacement from the same 73 mm × 59 mm (2.87 in × 2.32 in) bore and stroke as the C engine.

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