Series 452
| Manufacturer | Cadillac |
|---|---|
| Production | 1930 (1930)-1937 (1937) |
| Successor | Cadillac Series 90 |
| Configuration | 45° V-16 with 5-bearing crankshaft |
| Displacement | 452 cu in (7,410 cc) |
| Cylinder bore | 3 in (76 mm) |
| Piston stroke | 4 in (100 mm) |
| Valvetrain | OHV |
| Compression ratio | 5.3:1 |
| Fuel system | 2 single barrel carburetors |
| Fuel type | gasoline |
| Oil system | wet sump |
| Cooling system | water cooled |
| Power output | 165 hp (123 kW) between 3200 and 3400 rpm (1930) |
With its chief competitor, Packard, already having sold a V12 engine against Cadillac's eight-cylinder cars, work began late in the 1920s under Hemmings to produce a car of real impact. Lawrence Fisher, Cadillac General Manager, leaked to the press that the company would also build a V12, hoping to keep the real engine secret.
The original Cadillac V16 could be said to be two straight-8 engines on a common crankshaft and crankcase, because each bank operated entirely independently of the other with no other shared components. It sported a narrow 45° bank angle for use in the new Cadillac chassis (which became the Fleetwood). The engine was well engineered, with a counterweighted crankshaft (quite a mathematical challenge at the time), overhead valves, and hydraulic tappets. It also had only two single barrel carburetors, one for each bank.
The 452 V16 had a 3 in (76 mm) bore and a 4 in (100 mm) stroke, giving an engine displacement of 452 cubic inches (7.4 L). It was therefore known as the Series 452. Cadillac initially rated the engine at 165 bhp (123 kW). It was capable of powering the heavier models to speeds in excess of 80 mph (130 km/h), and 100 mph (160 km/h) for some of the lighter examples.
In all, 3878 Series 452s were built.
This engine was used in the various V-16 models:
- 1930–1934 Series 452 ("A" through "C")
- 1935 Series 60
- 1936–1937 Series 90
Read more about this topic: Cadillac V16 Engine
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