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Initially an uneven-firing engine, Buick later redesigned the crankshaft to a "split-pin" configuration to create an "even-firing" version. After it became the 3800 V6 in 1990, the engine gained a reputation as a reliable, powerful, fuel-efficient workhorse that became a mainstay of GM's FWD mid-size and full-size cars. It was discontinued in 2008.
The High Value engine family from General Motors is a group of cam-in-block or overhead valve V6 engines.These engines feature cast iron blocks and aluminum heads, and use the same 60° vee bank as the 60° V6 family they are based on, but the new 99 mm (3.90 in) bore required offsetting the bores by 1.5 mm (0.059 in) away from the engine center line.
Therefore, on the first power-up, the controller will have to activate the stepper motor and turn it to a known position, e.g. until it activates an end limit switch. This can be observed when switching on an inkjet printer ; the controller will move the ink jet carrier to the extreme left and right to establish the end positions.
Output is 167–185 PS (165–182 hp; 123–136 kW) at 6,000 rpm and 25–25.8 kg⋅m (245–253 N⋅m; 181–187 lb⋅ft) of torque at 4,000 rpm. It has an aluminum engine block and aluminum DOHC cylinder heads. It uses Multi-port fuel injection, has 4 valves per cylinder, and features powder metal-forged, fracture-split connecting rods.
Over a period of time, Detroit Diesel continued to further evolve the design of the engine. They finally brought the engine up to 137.5 hp (102.5 kW) per cylinder and 406 lb⋅ft (550 N⋅m) torque per cylinder; needless to say, this is a considerable amount of power coming from 149 cu in (2.4 L) per cylinder.
The 6G7 series or Cyclone V6 engine is a series of V6 piston engines from Mitsubishi Motors. Five displacement variants were produced from 1986 to 2021, with both SOHC and DOHC , naturally aspirated and turbo charged layouts.
This engine debuted on the 2008 Cadillac STS and CTS. [8] [9] GM used an LLT in all 2009–2017 Lambda-derived crossover SUVs to allow class-leading fuel economy in light of the new Corporate Average Fuel Economy (CAFE) standards. In these crossovers, the LLT engine produced up to 288 hp (215 kW; 292 PS) and 270 lb⋅ft (366 N⋅m) of torque.
The engine was designed and developed by Rover at Longbridge to replace the Honda 2.7l V6 engine which was about to become non-compliant with tightening emissions legislation. The original unit was designed for low volume production but was later redesigned to fit into the smaller Rover 75 's bonnet, although performance remained similar.