The word “Hemi” is an informal term that refers to engines with hemispherical combustion chambers. It is often associated with Chrysler, but the company has nothing to do with its invention. It existed as early as the 1900s.
Oct 18, 2022
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What's so special about a Hemi engine?
Hemi Advantages
Hemi surface area is smaller than that of a flathead engine, so less heat escapes during combustion – and hotter fuel burns better. And because they're positioned on opposite sides of the chamber, the Hemi valves can be bigger than on previous models, which put them side by side.
Is a Hemi a good car?
Pros of the Hemi Engine
It's a great choice for performance vehicles, as it can provide plenty of power for acceleration and can handle tough terrain. It's also reliable, and with proper maintenance, it can last for years.
What is Hemi used for?
Hemi engines are typically inline six-cylinder and V8 engines made and trademarked by Chrysler. A Hemi engine features a highly efficient combustion chamber, and its domed cylinder design increases the volume of air-fuel mixture that can be burned while lessening the surface area of the cylinder head.
How many horsepower is a 5.7 Hemi?
ENGINE | 5.7L HEMI V8 | 6.2L supercharged HEMI V8 |
HORSEPOWER | 395 HP | 702 HP |
TORQUE | 410 lb.-ft. | 650 lb.-ft. |
MAX. TOWING CAPACITY | 11,610 lbs. | 8,100 lbs. |
FUEL EFFICIENCY (MPG) | 15 city / 22 hwy | 10 city / 14 hwy |
The Chrysler Hemi engine, known by the trademark Hemi or HEMI, refers a series of high-performance American overhead valve V8 engines built by Chrysler with ...
A HEMI engine is a popular high-performance engine type. Learn about the history of the HEMI engine and see what sets a HEMI apart from other engine types.
Discover the performance behind the 2023 Dodge Charger. Explore horsepower, available SRT® Drive Modes, HEMI® engines, all-wheel drive & more here.
The classic idea for a hemispherical engine is for the top of the combustion chamber to be a hemisphere. This would minimize heat loss per unit of volume.
2025 Ram 1500 Loses Hemi V8 Option, Gets Hurricane Turbo V6s
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Nov 22, 2023 · With the 2025 Ram 1500 launch, Stellantis is retiring the 5.7-liter Hemi V8 engine option and replacing it with its all-new Hurricane family ...
May 15, 2023 · The Hemi V8 powers iconic vehicles such as the Dodge Challenger Hellcat, RAM 1500, and Jeep Grand Cherokee! Retiring after 2023, here are ...
Jun 5, 2017 · The hemi design actually came into existence with some of the earliest automotive internal combustion engines. Belgian carmaker Pipe produced a ...
Apr 16, 2024 · So, what is a Hemi engine, exactly? A Hemi is an engine with a hemispherical combustion chamber, consisting of dome-shaped cylinders and piston ...
Aug 18, 2022 · Early Hemi engines were gleaned from WWII airplanes and adapted to the streets, leading to one of the most legendary monikers of all time.