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Depending on components and computer module the Vortec 5700 produces 255 hp (190 kW) to 350 hp (261 kW) at 4600 rpm and 330 lb⋅ft (447 N⋅m) to 350 lb⋅ft (475 N⋅m) of torque at 2800 rpm. [ clarification needed ] [ citation needed ] Known as the GEN 1+, the final incarnation of the 1950s-vintage small-block ended production in 2003.
The LLV (also called Vortec 2900) is a 2.9 L; 178.3 cu in (2,921 cc) straight-4 DOHC engine produced between 2007 and 2012, with a 95.5 mm × 102 mm (3.76 in × 4.02 in) bore and a stroke. It replaced the LK5 and produced 185 hp (138 kW) at 5,600 rpm and 190 lb⋅ft (258 N⋅m) of torque at 2,800 rpm.
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 fuel-injection system for the Vortec 8100 is nearly identical to that used on Gen III small-block engines, right down to the fuel and spark tables in the ECU. [63] GM sold the Vortec 8100 to Workhorse (now a division of Navistar), making it one of the most popular engine choices in gasoline-powered Class A motorhomes during the early 2000s.
The LT-1 had an 11.0:1 compression ratio, Holley 780 cu ft/min (22 m 3 /min) 4-barrel carburetor, and solid lifters. For the first year the LT-1 was rated at 370 hp (276 kW) in the Corvette and 360 hp (268 kW) in the Camaro, both of these being brake horsepower (bhp) gross hp ratings. Despite the disparity in these horsepower ratings, there was ...
The LB1 used in trucks and vans was referred to as Vortec in Chevrolet literature (named after a combustion chamber design known as a swirl port which twists the fuel mix from the intake ports as introduced with the Cavalier's 2.0L engine), and this name continued to be used with all truck and van 4.3 L (262 cu in) V6s until 2014.
The 6.2 L; 376.0 cu in (6,162 cc) EcoTec3 is a Generation V small-block V8 truck engine (VIN code "J"). The L86 is an LT1 engine modified for truck use with a compression ratio of 11.5 to 1. In 2019, GM introduced the L87 as the successor to the L86. Power and torque remain the same, but whereas the L86's "Active Fuel Management" alternates ...
The 1954 88 and Super 88 V8s used an 8.25:1 compression ratio for 170 and 185 hp (127 and 138 kW) and 295 and 300 lb⋅ft (400 and 407 N⋅m), respectively. The 1955 model upped the compression to 8.5:1 for 185 hp (138 kW) and 320 lb⋅ft (430 N⋅m) in the 88 and 202 hp (151 kW) and 332 lb⋅ft (450 N⋅m) in the Super 88 and 98.