Daimler V8 engines

Daimler V8
Daimler V8
	1963 Daimler SP250 V8 Engine
Overview
Manufacturer	The Daimler Company Limited
Production	4½ litre:; 1959-1968 2,044 cars; 864 Daimler limousines; 1,180 Majestic Major saloons; 2½ litre:; 1959-1969; 20,268 or more; 2648 SP250 sports cars; 17,620 2.5 V8 & V8-250 saloon cars; marine engines produced from 1961;
Layout
Configuration	90 degree V eight-cylinder
Displacement	4½ litre: 4.561 litres (278 cu in); 2½ litre: 2.548 litres (155 cu in);
Cylinder bore	4½ litre: 95.25 mm (3.75 in); 2½ litre: 76.2 mm (3.0 in);
Piston stroke	4½ litre: 80.01 mm (3.15 in); 2½ litre: 69.85 mm (2.75 in);
Cylinder block material	Cast iron
Cylinder head material	Aluminium alloy
Valvetrain	OHV by pushrods and rockers from a single camshaft, two valves per cylinder, hemispherical head
Compression ratio	4½ litre: 8.0:1; 2½ litre: 8.2:1;
Combustion
Fuel system	4½ litre: Carburettors—twin S.U. HD8; fuel pump—SU electric; Aua 61; 2½ litre: Carburettors—twin S.U. HD6;
Fuel type	Petrol
Oil system	Filter—Full flow replaceable element
Cooling system	Water
Output
Power output	4½ litre: 220 bhp (160 kW; 220 PS) @ 5,500 rpm; 2½ litre: 140 bhp (100 kW; 140 PS) @ 5,800 rpm;
Torque output	4½ litre: 383.7 N⋅m (283.0 lbf⋅ft) @ 3,200 rpm; 2½ litre: 210 N⋅m (150 lbf⋅ft) @ 3,600 rpm;
Dimensions
Length	4½ litre: 31.25 in (793.8 mm); 2½ litre: 30 in (762.0 mm);
Width	4½ litre: 25.5 in (647.7 mm); 2½ litre: 24 in (609.6 mm);
Height	4½ litre: 31 in (787.4 mm); 2½ litre: 27 in (685.8 mm);
Dry weight	4½ litre: 498 lb (226 kg); 2½ litre: 419 lb (190 kg) exc. flywheel;
Chronology
Predecessor	4½ litre:; DE36 Straight-Eight; DK400 Straight-Six; 2½ litre:; 2½-litre Straight-Six Daimler Conquest;

Daimler V-8 engines were designed for the Daimler Company by Edward Turner and produced from 1959 to 1969. Initially used in the SP250 sports car and the Majestic Major saloon, the engine was mostly used in the Daimler 2.5 V8 (later named V8-250) saloon made with Jaguar Mark 2 unit bodies from 1962 to 1969. Approximately 20,000 of the 2.5-litre version of the engine were made for use in the SP250 and the 250 saloon, while approximately 2,000 of the 4.5-litre version were made for use in the Majestic Major saloon and its limousine variant which remained in production until 1968.

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