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It was a different configuration to that normally used in a V8 or indeed in the Yamaha above, with two of the throws being swapped around - i.e. the throws may be described as being at absolute angles of 0, 90, 180, and 270 degrees, versus the more usual 0, 90, 270, 180. This results in a slightly reduced primary rocking couple, but introduces ...
The L48 V8 was the standard engine in the 1975–1980 Chevrolet Corvette. The L48 V8 Corvette engine produced 165 hp (123 kW) in 1975. Power increased to 180 hp (134 kW) in 1976 and stayed the same in 1977. The 1978 saw 175 hp (130 kW) for California or high altitude areas and 185 hp (138 kW) everywhere else.
The General Motors LS-based small-block engines are a family of V8 and offshoot V6 engines designed and manufactured by the American automotive company General Motors. Introduced in 1997, the family is a continuation of the earlier first- and second-generation Chevrolet small-block engine , of which over 100 million have been produced ...
The other configuration is effectively a V engine with a 180-degree angle between the cylinder banks: in this configuration each pair of cylinders shares a single crankpin, so that as one piston moves inward, the other moves outward. The first flat engine (Benz Contramotor) was built in 1897 by Karl Benz. Flat engines have been used in aviation ...
The most common crankshaft configurations for straight-twin engines are 360 degrees, 180 degrees and 270 degrees, [8] [9] [10] and even can 90 degrees and 450 degrees but uncommon. 360 degrees In an engine with a 360 degree crankshaft, both pistons move up and down at the same time.
The flat-plane crankshaft was used in the World War II Sherman Tank in the Ford GAA engine, an all-aluminium 32-valve DOHC 60-degree liquid-cooled V8. However, the flat-plane design is no longer widely used in most mass production V engines as it is more prone to vibration and is inherently much louder than a crossplane crankshaft.
The SHO V6 was a high-tech and revolutionary design when it debuted in 1988. Displacing 3.0 L; 182.2 cu in (2,986 cc), it was an iron block, aluminum head 24-valve DOHC engine with an innovative variable length intake manifold.
In 1971, the LS-5 produced 365 hp (272 kW) and 550 lb⋅ft (746 N⋅m), and the LS-6 option came in at 425 hp (317 kW) and 575 lb⋅ft (780 N⋅m). In 1972, only the LS-5 remained, when SAE net power ratings and the move towards emission compliance resulted in a temporary output decline, due to lowered compression, to about 270 hp (201 kW) and ...