Quick Answer: Why Is The Hemi So Good?

What is the life expectancy of a 5.7 Hemi?

250-300 000 miles5.7 Hemi engines are good for 250-300 000 miles and more if properly cared for and regular maintenance is carried out..

What is so special about a Hemi engine?

What Makes HEMI Unique? HEMI has a super-efficient combustion chamber, making it markedly more powerful than other engines. Unlike a flat head piston on the engine you might find in your lawnmower, HEMI pistons usually have a dome-shaped head with open, angled valves and twin spark plugs per cylinder.

What are the advantages of a Hemi engine?

A HEMI® engine is composed of a hemispherical combustion chamber with dome shaped cylinders and matching piston tops. This creates less surface area than traditional engine which means that less heat and energy lost, and more power is produced.

Is the Hemi engine reliable?

While these other advancements have their pros and cons as well, the Hemi engine is renowned for its reliability and impressive power output through its hemispherical design. While the new Hemi engines don’t have the same hemispherical shape that its predecessors had, it still relies on that shape to deliver its power.

Is the 5.7 Hemi a real Hemi?

Says Lee: “Everything else, in terms of the valvetrain arrangement, the shape of the chamber, is in fact a true Hemi. … At 345 hp, the 5.7-liter Hemi V-8 has 100 more hp than the 5.9-liter Magnum V-8.

Why do Hemi engines tick?

Low quality fuel can cause the hemi tick. Fuels that contain high amounts of ethanol or that are low octane may not properly lubricate the fuel injectors and can lead to a slight tapping or ticking noise. Low-octane gas has also been known to cause an ignition knock in high-performance engines.