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The 16-valve 1.8-liter straight-4 produced 139 PS (102 kW; 137 bhp) or 56.7 kW/liter, almost 25% up from the 45.6 kW/liter for the previous 8-valve Golf GTI engine. The GM Quad 4 multi-valve engine family debuted early 1987. The Quad 4 was the first mainstream multi-valve engine to be produced by GM after the Chevrolet Cosworth Vega. The NA ...
The Dolomite Sprint has been described as "the world's first mass-produced multi-valve car". [12] Multi-valve engines had first appeared in 1912, with the most recent prior to the release of the Sprint engine being the Cosworth BDA (1969) and Lotus 907 (1972), but they had not been not used in mass-production vehicles until after the ...
The White Company engine was a mono block design. The Pierce-Arrow company introduced a production four-valve per cylinder T-head motor (Dual Valve Six) in 1918, one of the few, perhaps the only, multi-valve valve-in-block type engines produced. American LaFrance produced T-head engines for their fire engines until the 1950s.
It was the first mass-produced multi-valve engine available to the general public, appearing one year before the 16-valve SOHC Triumph Dolomite Sprint and three years before the 16-valve DOHC Chevrolet Cosworth Vega. The engine in the Jensen-Healey experienced a series of problems.
A significant advance was the 1931 DOHC 32-valve in-line 8 called the "DV32" (DV for 'dual valve'). This was during the so-called "cylinders race" of the early 1930s when makers of some expensive cars were rushing to produce multi-cylinder engines. However, Stutz continued its performance heritage with the dual overhead cam, in-line 8 engine ...
Many early racing cars used straight-four engines, however the Peugeot engine which won the 1913 Indianapolis 500 was a highly influential engine. Designed by Ernest Henry , this engine had double overhead camshafts (DOHC) with four valves per cylinder, a layout that would become the standard until today for racing inline-four engines.
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In a 1938 reorganization, Winton Engine Corporation became the GM Cleveland Diesel Engine Division, and GM's Detroit Diesel Engine Division began production of smaller (50–149 cu in (0.8–2.4 L) per cylinder) diesel engines. Locomotive engines were moved under the GM Electro Motive Division (EMD) in 1941, while Cleveland Diesel retained ...
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