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Chrysler's Multi-Displacement System (MDS) is an automobile engine variable displacement technology. It debuted in 2005 on the 5.7 L modern Hemi V8.Like Mercedes-Benz's Active Cylinder Control, General Motors' Active Fuel Management, and Honda's Variable Cylinder Management, it deactivates four of the V8's cylinders when the throttle is closed or at steady speeds.
5.7 L Hemi 6.1 L Hemi. The Charger SE and SXT are equipped with the 3.5L High Output engine, rated at 250 hp (186 kW) and 250 lb⋅ft (339 N⋅m) of torque. In Canada, the base model Charger has a 2.7 L V6, which is rated at 178 hp (133 kW) and 190 lb⋅ft (258 N⋅m) of torque.
Chrysler developed its first experimental hemi engine for the Republic P-47 Thunderbolt fighter aircraft. The XIV-2220 was an inverted V16 rated at 2,500 hp (1,860 kW). The P-47 was already in production with a Pratt & Whitney radial engine when the XIV-2220 flew successfully in trials in 1945 as a possible upgrade, but the war was winding down and it did not go into production.
The Chrysler B and RB engines are a series of big-block V8 gasoline engines introduced in 1958 to replace the Chrysler FirePower (first generation Hemi) engines. The B and RB engines are often referred to as "wedge" engines because they use wedge-shaped combustion chambers; this differentiates them from Chrysler's 426 Hemi big block engines that are typically referred to as "Hemi" or "426 Hemi ...
When equipped with the 5.7 L HEMI V8 gasoline engine, the all-new Grand Cherokee has a maximum towing capacity of 7,200 pounds (3,300 kg). However, the 2023 models no longer offer this V8 option. [36] The 4xe PHEV powertrain, first available in Jeep Wrangler (JL), is introduced to the Grand Cherokee in this generation. It is available on the ...
The 100th Anniversary Edition is a version of 2014 Dodge Challenger SXT Plus with a Pentastar V6 engine or R/T Plus with a Hemi V8 engine, commemorating the 100th anniversary of brothers Horace Elgin Dodge and John Francis Dodge introducing the Dodge Model 30, with choice of 8 body colors (Pitch Black, Bright White, Billet Silver, Granite ...
The 5.7 L HEMI engine for 2005-2008 has slightly less horsepower than those found in the Dodge Ram or the Dodge Charger (330 vs 345) due to different engine control unit (ECU) programming. The 5.7 L HEMI engine for 2009 and up was upgraded with Variable Cam Timing (VCT) adding 27 hp (20 kW; 27 PS) and 14 lb⋅ft (19 N⋅m) of torque.
A hemispherical head ("hemi-head") gives an efficient combustion chamber with minimal heat loss to the head, and allows for two large valves.However, a hemi-head usually allows no more than two valves per cylinder due to the difficulty in arranging the valve gear for four valves at diverging angles, and these large valves are necessarily heavier than those in a multi-valve engine of similar ...