Technical Description
All variants (naturally aspirated and forced induction) displace 2,383 cubic centimetres (145.4 cu in) from a cylinder bore of 76.48 millimetres (3.01 in), and a piston stroke of 86.4 millimetres (3.40 in). Its inline six cylinder block is constructed from grey cast iron, and has seven main bearings to support the die-forged steel crossplane crankshaft. The cast aluminium alloy cylinder head contains two valves per cylinder each with two concentric valve springs, and shim-adjustable bucket tappets. The valves are opened via a timing belt-driven single overhead camshaft (SOHC), and the combustion chamber compression ratio is 23.5:1.
Attached to the cylinder head is a cast aluminium alloy intake manifold on one side, and two cast iron exhaust manifolds on the same side (it's a non cross flow engine) (one manifold for three cylinders) followed by a two in one exhaust pipe system. The fuel system uses a Bosch mechanical distributor-type( bosch VE type) injection pump which feeds indirect fuel injection into a remote whirl pre-combustion chamber.
The initially available variant of the D24 produced a DIN-rated motive power output of 55 kilowatts (75 PS; 74 bhp) at 4,500 revolutions per minute (rpm); and it generated a torque turning force of 155 newton metres (114 lbf·ft) at 2,800 rpm. Subsequent minor evolutions and revisions resulted in differing power and torque ratings.
| ID(s) | DIN-rated max. motive power at rpm |
max. torque at rpm |
redline (rpm) |
years |
|---|---|---|---|---|
| 1S, ACT | 51 kW (69 PS; 68 bhp) @ ?,??? | 1988–1995 | ||
| CP, DW | 55 kW (75 PS; 74 bhp) @ 4,000 | 155 N·m (114 lbf·ft) @ 2,800 | 1978–1992 | |
| Volvo D24t | 95 kW (129 PS; 127 bhp) @ 4,700 | 275 N·m (203 lbf·ft) @ 2,550 | max rpm @5200 rpm before fuel cut |
The weight of this engine is 182 kg or 401 lbs.
Read more about this topic: Volkswagen D24 Engine
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