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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.
EcoTec3 is the name used on General Motors' Small Block Gen 5 Engines. All include direct injection, cylinder deactivation, and continuously variable valve timing, either in V6 form of 4.3L or V8 form of either 5.3L or 6.2L.
6.2L fitted to a 1987 HMMWV. The original 6.2 L (379 cu in) diesel V8 was introduced in 1982 for the Chevrolet C/K and was produced until 1993. The 6.2L diesel emerged as a high-fuel-economy alternative to the V8 gasoline engine lineup, and achieved better mileage than Chevrolet's 4.3L V6 gasoline engine of the 1980s, at a time when the market was focused on power rather than efficiency.
Optional on upper-level trims is a 420-horsepower (313 kW; 426 PS), 6.2-liter EcoTec3 V8 gasoline engine with Dynamic Fuel Management (DFM). An also all-new, 277-horsepower (207 kW; 281 PS) 3.0-liter turbocharged Duramax I6 engine became available for the 2020 model year.
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.
The 2023 Ford Super Duty will inaugurate a 6.8-liter V8, according to an unverified report. The engine will replaced the 6.2-liter Boss V8.
1977–2013 Chevrolet 90° V6 engine (derived from the Chevrolet Small-Block" V8; now marketed as GM Vortec V6 or Vortec 4300 or EcoTec3 V6) 1979–2010 Chevrolet 60-Degree V6 1994–2005 Opel 54-Degree L81 V6 (used in the Saturn Vue , Cadillac Catera and Saturn L series )
GM's 6.2-liter EcoTec3 V8, good for 420 horsepower and 460 pound-feet of torque, mated to a six-speed automatic transmission (2015i models and beyond are 8-Speed Automatics), is the only engine offered, along with a new coil-over front suspension and five-link rear setup, a wider track, variable-assist electric power steering and Cadillac's ...
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