FAQ: What So Special About A Hemi Engine?

What is the advantage 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.

Are Hemi engines reliable?

In general, the third-generation Hemi V8s don’t have any significant design flaws, and the 5.7L version is a solid reliable engine. Many owners are faced with a strange ticking sound in the 5.7L Hemi engine coming from the valvetrain, which, however, does not affect anything.

How long will a Hemi engine last?

5.7 Hemi engines are good for 250-300 000 miles and more if properly cared for and regular maintenance is carried out. Early models suffered from valve seat issues which was rectified after 2008. It’s not uncommon to find high mileage 5.7 Hemi trucks running around today.

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Is a Hemi v8 a good engine?

Is The 5.7 Hemi A Good Engine? Overall, the 5.7 Hemi is an outstanding engine. It has earned a reputation as a reliable and sturdy workhorse of an engine. If you talk to anyone that owns a vehicle with a 5.7 Hemi engine, they will likely have very few, if any, bad things to say about it.

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.

How much HP can you get out of a 5.7 Hemi?

Stock Hemi Parts and Power

Though the exact numbers vary slightly depending on the application, figure around 345 hp and as much as 390 lb-ft of torque for the stock 5.7L Hemi.

Why the Hemi is better than an LS?

The Hemi engine, by design, does a better job of burning all the fuel in the cylinder. With the Hemi engine placing the valves at the opposite sides of the head, there is more room for valves. This was better than the previous wedge-shaped engines with their combustion chambers in line with each other.

What year 5.7 Hemi is best?

2004 – 2012 are all good years for the HEMI.

How can I make my 5.7 Hemi faster?

The 5.7 crate engine comes equipped with a stock air intake. But the factory intake is very restrictive. One trick to improve your Hemi engine’s performance is to replace the restrictive air intake with an aftermarket one. The cold air intake supplies cold air to the combustion chamber, which has a higher density.

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What is the best year for Dodge Ram?

It has had a storied history filled with as many accolades as any other truck manufacturer. It has shown that it is a reliable machine and will make its owners happy above the market average. So, the best years for Dodge Ram 1500 would have to be 2006, 2011, or 2020.

How much does it cost to replace a 5.7 Hemi?

As low as $2895.00 DELIVERED (pricing depends on year of engine). All of our Dodge 5.7 Hemi Engines are top grade professionally rebuilt engines carrying a nationwide 100,000 mile warranty.

Why was the HEMI banned from Nascar?

The HEMI engine was a mechanical marvel that was so successful it was banned from NASCAR after its first year. By 1963, the 426-cubic-inch Wedge engine used in NASCAR was deemed to have hit its limit for horsepower.

How long do 5.7 Hemi engines last?

The 5.7 Hemi engine can last up to 300,000 miles, but only if the owner has taken proper care of the engine throughout the years. 5.7 Hemi engines are made to last, so don’t be surprised if the engine is still working after that many miles.

What years did Dodge Ram have transmission problems?

This one affected not the 1500 line but various 2500, 3500, 4500, and 5500 heavy duty Ram models. The years range from 2010 all the way up to 2017. The recall affected only trucks equipped with a steering column mounted shifter and any 2017 models built after the end of 2016 we’re not included.

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Which Ram 1500 engine is best?

5.7-Liter HEMI V8 (With eTorque)

Since the eTorque system is such an inexpensive upgrade over the base V8, this is the engine we’d recommend. We loved the low grumble of the V8 engine but it’s thirsty when driving in normal traffic. The V8 HEMI with eTorque seems like the best fit for most buyers.

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