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For this reason, hypereutectic pistons can run a tighter piston to cylinder clearance than forged pistons. This makes hypereutectic pistons a better choice for stock engines, where longevity is more important than ultimate performance. Some vehicles do use forged pistons from the factory. Dodge Vipers used forged pistons from 1992-1999 model ...
In 1925, Piston Ring bought the No-Leak-O Piston Ring Company, allowing the company to increase production of engine components. [8] [10] After acquiring Accuralite Company in 1931, the company changed its name to Sealed Power Corporation and also started manufacturing piston rings, pistons and cylinder sleeves for various military applications ...
Fairbanks Morse Opposed Piston liner and water jacket. The 38 8-1/8 engines are inline diesel engines, with combustion occurring between two opposed pistons within a single cylinder liner. The engine has a bore of 8-1/8 inches (206.4 mm), a stroke of 10 inches (254.0 mm) for each piston, and the cylinder height is 38 inches (970 mm).
Hypereutectic alloys, with a silicon content of 16 to 19%, such as Alusil, can be used in high-wear applications such as pistons, cylinder liners and internal combustion engine blocks. The metal is etched after casting, exposing hard, wear-resistant silicon precipitates. The rest of the surface becomes slightly porous and retains oil.
For the 1990–1991 model years, a high-output 4.3 L (262 cu in) V6 was an available option for the extended-length versions of the Chevrolet Astro and GMC Safari vans. The LU2 used unique hypereutectic, strutless pistons and a more aggressive camshaft. Like the LB4, the LU2 used throttle-body fuel injection, but was rated at 170 hp (127 kW ...
The block is made of cast iron and the head is aluminium. Power is 109 PS (80 kW; 108 hp) in most current applications, the same as the DV6 1.6 L Diesel engine, although a sporty 125 PS (92 kW; 123 hp) version was used to power the Citroën C2 VTS. The TU5 has been used in motorsports by both Citroën and Peugeot.
Power 115 hp (86 kW) at 2800 rpm, dry weight 246 lb (112 kg) Provision for dual pump drives, tractor and pusher installation. [2] O-235-C1A Power 100 hp (75 kW) at 2450 rpm, dry weight 236 lb (107 kg) Similar to O-235-C1 except ignition timing, lower rpm and power. Optional 2 position or automatic propeller governor drive. [2] O-235-C1B
This is primarily because each piston needed its own sealed crankcase volume for the purposes of efficient induction, where in some cases separate crankshafts served each bank in order to achieve this. The Honda NSR500 began and ended its life as a "screamer", where the pistons were phased similarly to a four-stroke V-four with a 180° crank ...