How Long Will A 6.4 Hemi Last?

Does the 6.4 Hemi have cylinder deactivation?

For the ’12 model year, SRT8 versions of the Chrysler 300, Dodge Challenger and Charger and Jeep Grand Cherokee come fitted with a version of the fuel-saver technology that shuts down half the cylinders in their 470-hp 6.4L V-8 Hemi engine more often than earlier renditions of the deactivation system..

Does 6.4 Hemi require premium gas?

Well-Known Member. 89 is recommended, 87 is acceptable. Premium offers no benefit and is suggested not to be used.

How many spark plugs does a 6.4 Hemi have?

16 spark plugs6.4L Hemi Features 16 spark plugs, two per cylinder, for improved combustion efficiency (performance and fuel economy) and reduced emissions.

How can I get better gas mileage in my 6.4 Hemi?

Learn How to Improve Gas Mileage on 6.4 HemiStep 1: Change Oil. The first step of improving the gas mileage of your 6.4 Hemi is changing the oil of the RAM. … Step 2: Tune-Up. … Step 3: Keep on the Run. … Step 4: Tire Check-Up. … Step 5: No Quick Accelerations. … Step 6: Check the Filter. … Step 7: No Additional Weight.

Can a 6.4 Hemi handle a supercharger?

ProCharger has increased the power levels with the Stage II Dedicated Drive System and tuner kit for the 6.4L (392) Hemi. The installation of the ProCharger Stage II supercharger can push the horsepower to 800, 900, 1,000, or even over 1,200.

Which Hemi is the best?

Top 10 Hemi Powered Mopars Of All Times1958 Chrysler 300D. … 1966 Dodge Coronet/Plymouth Belvedere. … 1968 Plymouth Barracuda Super Sport. … 1969 Dodge Charger Daytona.2003 Dodge Ram Pickups. … 2015 6.2 Hellcat. … 2016 6.4 L – 392 ScatPack Shaker. … 2016 Dodge Challenger Drag Pak.

Is the 6.4 Hemi reliable?

In general, the 6.4 Hemi is a big reliable, American pushrod V8 engine with a factory warranty for five years or 100,000 miles. In stock form, the 6.4 Hemi is a great engine that lasts and serves hundreds of thousand miles. But, the stock 6.4 is by design not built for boost and pushing more power.

What kind of gas mileage does a 6.4 Hemi get?

The 2020 Ram HD 2500 6.4L Gas All of those factors help a little bit with efficiency. Over 1,051.8 total miles, the Ram averaged 15.4 mpg.

What’s the difference between 5.7 and 6.4 Hemi?

A 6.4 will accelerate somewhat faster than the 5.7 because the power/torque curves are not the same but its not like you will feel all 100 more hp right from a dead stop and mashing the gas. Dont get me wrong, the 6.4 is NOTICEABLY “faster” and more aggressive feeling.

Are Hemi engines good on gas?

Hemi surface area is smaller than that of a flathead engine, so less heat escapes during combustion – and hotter fuel burns better.

How much boost can a 6.4 Hemi handle?

Registered. Most people would respond 6 pounds or less. Magnuson advertises 6psi for the 6.4 although the reality is that it is closer to 5.5psi.

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.

How much horsepower does a 2018 6.4 Hemi have?

370 horsepower6.4L HEMI® V8 engine This engine delivers 370 horsepower and an absolutely astounding 800 lb-ft of torque. With best in class 15,000-mile oil change interval and class-exclusive smart diesel exhaust, this engine turns your Ram 2500 truck into a real powerhouse.

How much horsepower can you get out of a 6.4 Hemi?

6.4-liter HEMI V8 powered by SRT This engine produces 485 horsepower and 475 lb-ft of torque and helps the Dodge Charger to accelerate from 0-60 mph in the low four-second range and hit a top speed of 182 mph.

Is 6.4 Hemi a big block?

The modern hemi is definitely a small block. The small block / big block is not determined by the factory displacement (for example, Chevy built a 400 cubic inch small block that had more displacement from the factory than the original 396 big block).

Is the 392 a true Hemi?

The SRT 392 engine is a 6.4-liter HEMI V8 engine and it pushes out 485 horsepower and 475 lb-ft of torque. This engine is available on two Charger models and three Challenger models.

Does the Hemi engine require premium fuel?

When the Hemi is matched with an automatic transmission, Chrysler recommends 89 octane fuel for peak performance. 87 octane is the minimum octane rating listed for the base Hemi regardless of transmission, but for the best mileage and performance, the higher-octane recommendations should be followed.

Why does a Hemi have 2 spark plugs?

The HEMI Magnum engine has two valves per cylinder as well as two spark plugs per cylinder. The two spark plugs help to solve the emission problems that plagued Chrysler’s earlier HEMI engines. The two plugs initiate two flame fronts and guarantee complete combustion.

What does scat pack mean?

Get lostPopularly known as two Dodge Challenger and Dodge Charger trims, the term Scat Pack was derived from the term “scat,” such as “Get lost, scat!” and was a play on Frank Sinatra’s “Rat Pack”. … Later, for a Dodge model to wear the term “Scat Pack,” it had to be able to run a quarter mile in 14 seconds or less.

Why is cylinder deactivation bad?

Given the above it is hardly surprising that engines fitted with cylinder deactivation systems should suffer from high oil consumption, simply because the mechanism that ensures the effective operation of piston rings is removed when cylinders are deactivated.