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In August 1998, General Motors released the GMT800 generation of full-size pickups for the 1999 model year as the replacement for the fourth-generation C/K trucks introduced for 1988. The long-running C/K nomenclature was retired by Chevrolet in favor of a singular Chevrolet Silverado nameplate (as GMC had done in 1988 with the GMC Sierra).
The fuel level indication system in the simplest form is a transparent window on the tank side and in its usual application a float-driven potentiometer installed in the tank. After the TWA Flight 800 disaster, a revision was made to aircraft fuel systems to address the potential explosion hazard of electrical components located in the fuel tank.
While relatively straight-lined and boxy in appearance (leading to their "square-body" nickname from the public [2]) the Rounded Line trucks were the first generation of the C/K to be designed with the use of computers and wind tunnels, optimizing the exterior shape for lower drag and improved fuel economy. The chassis was an all-new design ...
This 305 was actually from GMC's medium-duty truck line. It featured high torque but had notoriously poor fuel economy. Transmissions were a 3-speed and 4-speed manual, the automatic Powerglide, and in the GMC models, the dual-range Hydra-Matic from 1960 to 1962. A 15-passenger conversion was done by Stageway of Fort Smith, Arkansas.
Medium-duty C/K trucks were discontinued, replaced by the GMT530 architecture. After an 18-year production run, 1991 marked the final year for the "Rounded Line" truck series. After trailing the rest of the C/K series for nearly five years, one-ton crew cab trucks, the Suburban SUVs, and the K5 Blazer/V-Jimmy all adopted the GMT400 architecture.
It allows a V6 or V8 engine to "turn off" half of the cylinders under light-load conditions to improve fuel economy. Estimated performance on EPA tests shows a 5.5–7.5% improvement in fuel economy. [1] GM's Active Fuel Management [2] technology used a solenoid to deactivate the lifters on selected cylinders of a pushrod V-layout engine.
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 ...
The switch shown to the right is intended to disable an electric fuel pump in automotive applications. This functionality is required in some vehicle racing applications, since an electric fuel pump may otherwise continue operating after a collision or rollover. If the fuel line is broken or the vehicle is inverted, fuel may be spilled ...