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2010 Holley creates the LS Fest, a show, race and celebration of vehicles that utilize a GM LSV8 engine. [24] The LS-Fest has a variety of bracket racing, engine swap, braking, autocross, show & shine and other events that attracted large crowds and participants to the show's venue September 10–12, 2010, at Beech Bend Raceway in Bowling Green ...
It used an EFI system with electronically controlled injectors, which were mated to a twin barrel "carburetor" body. It featured "swirl port" heads (helped emissions, but severely stunted power output) and served as the base V8 engine in all C/K 1500 Series and 2500 Series (under 8,500 lbs GVWR) GMC/Chevrolet trucks and vans.
In 1971, the LS-5 produced 365 hp (272 kW) and 550 lb⋅ft (746 N⋅m), and the LS-6 option came in at 425 hp (317 kW) and 575 lb⋅ft (780 N⋅m). In 1972, only the LS-5 remained, when SAE net power ratings and the move towards emission compliance resulted in a temporary output decline, due to lowered compression, to about 270 hp (201 kW) and ...
An LS swap is a type of engine swap using any form factor of General Motors's LS V8 engine series. [1] [2] Motor Trend noted in 2020 that "the Chevy LS V-8 engine has become the de facto engine swap suggestion for anyone seeking to add power to their existing platform" due to the engine's relatively compact size and light weight. [3]
GM "LS" V8 engine (1997–present) The recipients of an "LS swap" are too numerous to list In 1997, General Motors began producing a new family of engines that had been designed with a clean sheet of paper, based on their experience over the previous decades. The "L" family of engines (LS, LT, LY, etc) were compact and light.
The "LS" nomenclature originally came from the Regular Production Option (RPO) code LS1, assigned to the first engine in the Gen III engine series. The LS nickname has since been used to refer generally to all Gen III and IV engines, [14] but that practice can be misleading, since not all engine RPO codes in those generations begin with LS. [15]
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