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The two-valve arrangement is retained, though the titanium intake valves by Del West have grown to 2.2 in (56 mm) and sodium-filled exhaust valves are up to 1.61 in (41 mm). Peak output is 505 bhp (512 PS; 377 kW) at 6300 rpm (72.0 BHP/L) and 470 lb⋅ft (637 N⋅m) of torque at 4800 rpm with a 7000 rpm redline. [68]
It is notable that the second generation system uses engine oil to hydraulically modulate engine valve function. As a result, the system is dependent upon the quality of the oil in the engine. As anti-foaming agents in engine oil are depleted, air may become entrained or dissolve in the oil, delaying the timing of hydraulic control signals.
In 1968, the engine had the chrome covers, but without the Chevrolet name, connected to a PCV valve and a chrome 14 in × 3 in (355.6 mm × 76.2 mm) drop-base open-element air cleaner assembly fitted with a crankcase breather on a 780 cu ft/min (22 m 3 /min) vacuum secondary Holley 4-Bbl carburetor. 1969 Corvette and 1970 Z/28 engines were also ...
The flagship Caprice V was offered in two engine choices. The standard option was the carryover 6.0L V8 from WM series 1 and 2, and an optional LPG 3.6L V6 that was only available for one year from 2014 to 2015. The decontented, base trim, non-V Caprice came only with the LPG 3.6L V6, and was primarily aimed at fleets.
The Northstar engine is a family of high-performance 90° V engines produced by General Motors between 1993 and 2011. Regarded as GM's most technically complex engine, the original double overhead cam, four valve per cylinder, aluminum block/aluminum head V8 design was developed by Oldsmobile R&D, [citation needed] but is most associated with Cadillac's Northstar series.
The Avalanche included features such as 16-inch alloy wheels and tires (chromed steel on the 2500 model), an AM/FM stereo with single-disc CD player and six speakers, cloth seating surfaces, front bench seat with power front driver's seat, power windows, power door locks, keyless entry, full instrumentation, dual front airbags, and air ...
First-generation Chevrolet Silverado 2500HD (2001–02 Regular Cab) The GMT800 Silverado/Sierra 1500 and 2500 pickup trucks were released in August 1998 as 1999 models. The "classic" light-duty GMT400 C/K trucks continued to be produced for the first two years alongside the new models, and the Heavy-Duty GMT400 pickups (alongside the GMT400 SUVs) were continued until 2000, with the new GMT800 ...
Air (or other gas) pressure is the power source for pneumatic valve actuators. [1] They are used on linear or quarter-turn valves. Air pressure acts on a piston or bellows diaphragm creating linear force on a valve stem. Alternatively, a quarter-turn vane-type actuator produces torque to provide rotary motion to operate a quarter-turn valve.