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Vortec is a trademarked name for a line of gasoline engines for General Motors trucks. The name first appeared in an advertisement for the 1985 model year 4.3 L V6 that used "vortex technology" to create a vortex inside the combustion chamber , creating a better air / fuel atomization. [ 1 ]
The Vortec 5300, or LM7/L59/LM4, is a V8 truck engine. [clarify] It is a longer-stroked by 9 mm (0.35 in) version of the Vortec 4800 and replaced the L31. L59 denoted a flexible-fuel version of the standard-fuel LM7 engine. Displacement is 5,327 cc (5.3 L; 325.1 cu in) from a bore and stroke of 96 mm × 92 mm (3.78 in × 3.62 in).
GM stopped installing big-block V8s in the Silverado HD trucks when the GMT800 series was discontinued in 2007. Vortec 8100s were built at GM's Tonawanda Engine plant while the engine block and cylinder head were cast at Saginaw Metal Casting Operations. The last L18 was manufactured in December 2009. L18 applications:
GM Vortec 4300 90° V6; GM Iron Duke RWD inline 4 (early RWD Variants, later versions may use a FWD pattern, and have two possible starter locations) Jeep with GM Iron Duke inline 4 2.5L/151 in³ (1980-1983). These use a Chrysler custom Torqueflite 904 automatic transmission with an integral Chevrolet bellhousing.
Chevrolet (GM) GMC Truck (GM) Also called: GMC Sierra Chevrolet Silverado (1999–2000 Argentina and Brazil) Chevrolet Cheyenne (Mexico) Production: December 8, 1986 – 2000 (US, standard and extended cab) October 1991 – 2000 (US, four-door) 1990–2002 (US, C3500HD) 1991–2001 (Mexico and Venezuela) 1997–2001 (Argentina and Brazil) Model ...
The VT Series II was released in 1999 to replace the standard Clubsport. It featured a new 5.7-litre V8 LS1 Gen III engine, sourced from GM Powertrain, producing 250 kW (340 PS; 335 hp). Production ceased in 2000. [26] Series 2 VT Clubsport rebadged as GTS for the UK market; GTS HSV GTS - UK GTSR (VT)