TheChrysler 5.7L HEMI is a V8 engine designed for use in a wide variety of vehicles from Chrysler. The base engine consists of: A cast iron engine block & aluminum cylinder head. Overhead Valve (OHV) 340 to 395 horsepower (253.5 to 295 kW) at 5,000 to 5,600 rpm. 375 to 410 lb-ft (508 to 556 Nm) of torque at 3,950 to 4,400 rpm TheHemi-equipped Ram has 20 more hp and is about $1000 cheaper, yet has 60 less ft-lbs of torque and a few less mpg compared to the “F-150” with the 3.5 liters “Ecoboost.”. Therefore, they are pretty similar, and your decision will likely depend on things like overall reliability, safety features, or how they look. The5.7L HEMI V8 engine had electronically-controlled, sequential multi-port fuel injection and a compression ratio of 10.5:1 (compared to 9.6:1 for the pre-2009 5.7L EZB HEMI V8 engine). The HEMI V8 engine had distributorless, coil over plug ignition via two spark plugs per cylinder - according to Chrysler, the two spark plug design shortened Withthe V6 engine, the Ram 1500 gets decent fuel economy for a full size pickup truck, earning an EPA-estimated 17 mpg in the city and 25 mpg on the highway. The V8’s numbers are worse: 15/22 mpg city/highway. The turbodiesel is the most fuel-efficient engine in the lineup, earning 21/29 mpg city/highway, according to Ram. EngineSwap Showdown: LS vs. Hemi vs. Coyote The LS Engine. Let’s start with the LS engine. This legendary powerplant debuted in 1997, initially featured in the Corvette as a 5.7-liter all-aluminum V8. The LS was developed to meet stricter emission standards while delivering more horsepower and improved efficiency. Notincluding special editions, we count 12 Stellantis vehicle models with some version of the 6.2-liter SRT Hellcat Hemi V-8, spanning the Dodge, Jeep, and Ram Findthe available 5.7L HEMI® V8 engine with the TorqueFlite® transmission & more. Explore engine performance specs of the 2023 Ram 1500 Classic 4x4 engines. Find the available 5.7L HEMI® V8 engine with the TorqueFlite® transmission & more. HORSEPOWER. 305. CITY/HWY MPG. 16/23 ( Disclosure EPA-estimated mpg. Actual Themore horsepower an engine has, the more power it can generate, which can result in faster acceleration and higher top speeds. In the case of a V8 engine like the 5.7 Hemi, there are eight cylinders arranged in two banks, forming the shape of a “V”. The cylinders are precisely machined and honed to provide a smooth surface for the 57-liter HEMI V8. The available 5.7-liter HEMI V8 engine ups the ante on the 1500 with more horsepower, more torque and higher max towing. 395 horsepower; 410 lb.-ft. of torque; 11,610 lbs. max towing; The 5.7-liter V8 comes standard on Laramie, Laramie Longhorn and Limited models. The V8 is capable of returning up to 15 city / 22 highway 57 Hemi V8 (395 Hp) Automatic Technical Specifications and Car Data, Engine Info and Performance specs. CARS TOP 100 Speed Acceleration Power Drag Coefficient Torque Curb Weight Power-to-Weight. All. RAM Trucks. 1500. RAM Quad Cab I (facelift 2013) 5.7 Hemi V8 (395 Hp) Automatic. yovH.