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It was used on all GM vehicles, at least in the North American market, from 1975 through the mid-1980s. [vague] The system is an electronic system that requires no scheduled maintenance, provides up to 35,000 volts to fire the spark plugs and increase spark plug life, especially when unleaded fuel is used. The HEI system has 40% more voltage ...
Gasoline direct injection (GDI), also known as petrol direct injection (PDI), [1] is a mixture formation system for internal combustion engines that run on gasoline (petrol), where fuel is injected into the combustion chamber.
The Family II is a straight-4 piston engine that was originally developed by Opel in the 1970s, debuting in 1981. Available in a wide range of cubic capacities ranging from 1598 to 2405 cc, it simultaneously replaced the Opel CIH and Vauxhall Slant-4 engines, and was GM Europe's core mid-sized powerplant design for much of the 1980s, and provided the basis for the later Ecotec series of ...
Diesel engine runaway is an occurrence in diesel engines, in which the engine draws extra fuel from an unintended source and overspeeds at higher and higher RPM, producing up to ten times the engine's rated output until destroyed by mechanical failure or bearing seizure due to a lack of lubrication. [1]
Introduced in 1981, the 2.8 L (2,837 cc) LH7 was a High Output ("Z-code") version of the LE2 for the higher-performance X-cars like the Chevrolet Citation X-11 and higher-performance A-cars like the Pontiac 6000 STE. It retained a two-barrel carburetor and produced 135 hp (101 kW) and 165 lb⋅ft (224 N⋅m) for 1981 and 145 lb⋅ft (197 N⋅m ...
Since peak output came on at higher RPM, acceleration in these cars was quite sluggish, with a test 1982 Pontiac J2000 accelerating from 0–60 mph (0–97 km/h) in 16.3 seconds, with a 1 ⁄ 4 mile (402 m) time of 20.6 seconds. Applications: 1982 Buick Skyhawk; 1982 Cadillac Cimarron; 1982 Chevrolet Cavalier; 1982 Oldsmobile Firenza; 1982 ...
The GM High Feature engine (also known as the HFV6, and including the 3600 LY7 and derivative LP1) is a family of modern DOHC V6 engines produced by General Motors. The series was introduced in 2004 with the Cadillac CTS and the Holden Commodore (VZ). It is a 60° 24-valve design with aluminum block and heads and sequential multi-port fuel ...
The primary causes of this vulnerability lie in the tendency for vehicle manufacturers to extend the bus for purposes other than those for which it was designed, and the lack of authentication and authorization in the OBD specifications, which instead rely largely on security through obscurity.