What does Hemi stand for?

Hemi refers to an engine that has hemispherical-shaped combustion chambers and pistons with rounded, instead of flat, tops.
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What is so special about a Hemi engine?

What is so special about a Hemi engine? The Hemi engine's unique design, which features less surface area, results in less heat loss. This means the engine's peak pressure can be higher, which can result in better efficiency. Additionally, larger valves mean it's easier for air to flow through a Hemi engine.
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Is a Hemi and V8 the same?

The Chrysler Hemi engines, known by the trademark Hemi, are a series of American I6 and V8 gasoline engines built by Chrysler with overhead valve hemispherical combustion chambers.
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Is a hemi always a V8?

HEMI is also a trademark, denoting a series of inline six-cylinder and V8 Chrysler HEMI engines. A HEMI engine usually (but not always) has cylinders with a domed head (rather than the traditional flat head) and a hemispherical combustion chamber.
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Is Hemi only for Dodge?

The biggest change to the Hemi, though, occurred when Chrysler resurfaced the nameplate back in 2003 for the Dodge RAM. Although a “Hemi” is currently offered across Fiat Chrysler's model lineup, everything from trucks to SUVs and muscle cars, modern “Hemis” are Hemis in name only.
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What Is A HEMI Engine?



Is a Hemi a hellcat?

Enough power to drive anyone mad, the supercharged 6.2L HEMI® V8 engine comes standard on the Dodge Challenger SRT® Hellcat models. With 717 horsepower and 656 pound-feet of torque, the competition doesn't stand a chance.
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Did Chevy make a Hemi motor?

Chevrolet 302ci Small-Block Hemi

You didn't know Chevrolet built small-block hemi V-8s in 1969? At the time, racing in SCCA's premier Trans Am series was a prestigious thing, and winning was even better.
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Did Dodge quit making the Hemi?

Dodge performance cars and Hemi V8 engines are a powerful combination, but the Dodge CEO says that the Hemi will be retiring in the near future for electrified models instead. According to Autoblog, since there's a squeeze for emissions control, most automakers are going down the electrification path nowadays.
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What engine is Dodge getting rid of?

Replacing the Hemi V8 will be the GME T6 or the Global Medium Engine Turbocharged 6, a name which just rolls off the tongue. It will be used for all Stellantis Global medium platform models, which include the Dodge Challenger and Charger.
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What's the biggest Hemi engine?

Chrysler's Biggest Hemi: 10 Feet Long, 16 Cylinders, and 2220 Cubic Inches! A key step in the development of the famous Chrysler Hemi V8 was this monster: a 2500-horsepower aircraft engine designed for the U.S. armed forces in World War II.
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Is Dodge getting rid of V8?

Article content. Dodge will show off its new electric concept vehicle early in 2022, and discontinue its roaring Hellcat V8 engines, after 2023, the brand's chief executive recently confirmed to an automotive news outlet.
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What is Dodge replacing the hellcat with?

That's why the Detroit-based automaker has found a way around the forthcoming ban on gasoline-burning vehicles, as it has today announced plans for an 800-horsepower hydrogen-combustion muscle car that will replace the Hellcat in the automaker's lineup, to be called the SRT Hydra.
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Is a Hemi better than a V8?

First, let's talk about the many advantages. The Hemi engine, by design, does a better job of burning all the fuel in the cylinder. Also, because of its design versus a flat head, the surface area is smaller and that means less heat escapes, plus peak pressure can be higher.
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What are the disadvantages of a Hemi engine?

The biggest flaw with the HEMI engine is that it can only have two valves per cylinder. The top of the chamber is round, so it doesn't have a lot of space to fit more than a few valves. Additionally, these valves won't be able to produce as much airflow as a four-cylinder engine.
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Is a Hemi a supercharger?

6.2L HEMI SUPERCHARGERS

While all 6.2L HEMI engines use an IHI built twin-screw supercharger, the displacement will vary among the engines.
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Why is Dodge getting rid of the Hellcat?

Dodge has already discontinued the limited-edition Durango SRT Hellcat SUV due to increasingly strict federal emissions rules and Kuniskis cited the regulations as a reason the engine would be retired.
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Why is Dodge discontinuing Hellcat?

Dodge is ending production of its iconic, V-8-powered Hellcat Challenger and Charger muscle cars models by 2023 as the brand transitions to a mix of electrified EV, hybrid, and plug-in drivetrains in the face of government regulations forcing battery-powered vehicles.
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Why did Dodge get rid of Ram?

Dodge and Ram decided to go separate ways so that each brand could focus more heavily on developing new and innovative models to the industry. Once they split up, Dodge dedicated its resources and efforts toward sedans and muscle cars, bringing such classics as the Dodge Challenger SRT Demon to life.
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What does SXT mean for Dodge?

More About the Dodge Charger SXT Meaning

The Dodge Charger SXT meaning is “Standard eXTra.” The Charger SXT is the entry-level model in the lineup, but it's neither bare-bones nor Spartan.
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What is the smallest Hemi engine?

With only 241 cubic inches, the Dodge Red Ram was the Chrysler Corporation's smallest hemi V8 in the 1950s, but it was an able performer in its own right.
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Which Hemi is the best?

In summary, if all-out performance or towing capacity is your goal then the 6.4 HEMI is likely the best choice. Those who want a great overall balance of performance, MPG, towing, and price will find joy in the 5.7L V8. Either way, we believe it's hard to go wrong with the 345 or 392 HEMI engines.
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What does the L stand for in engines?

Engines are measured by displacement, usually expressed in liters (L) or cubic centimeters (cc). Displacement is the total volume of all the cylinders in an engine. An engine with four cylinders of 569cc each totals 2276cc, and will be rounder off and referred to as a 2.3 liter engine.
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Is the Ford 429 a Hemi?

The racing engine dubbed the Boss 429, was an aluminum hemi-head engine design with gigantic ports and valves for high rpm use. Although the Boss 429 Hemi design worked great on the track, the large port heads were too big for street use, so the Ford engineers designed a different head for the passenger car engines.
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Did Ford ever have a Hemi?

In 1968, Ford brought out a completely new engine family called the 385-series. This engine's heads used a modified form of the hemispherical chamber called Semi-Hemi. In the 1970s, Ford designed and produced a small-block engine with hemispherical heads to address the growing concerns about fuel economy.
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