Question: Is The 6.4 Hemi A Reliable Engine?

How many miles will a 6.4 Hemi last?

250 000 milesWe’ll also discuss what problems these engines commonly experience, as well as if it’s a good towing truck.

The maximum mileage you can expect from a 6.4 V8 Hemi is anything in excess of 250 000 miles..

How many spark plugs does a Hemi have?

There are two spark plugs per cylinder in a HEMI V8 engine. So, when the plugs need replacing, there are 16 to change, not eight. Also, it should be noted that all HEMI V8 engines use coil-on-plug ignition systems.

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 long do Hemi engines 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.

Is the 6.4 Hemi a pushrod engine?

Displacing 6.4L (392 cubic-inches) the new Apache V8 originally started life as a crate engine, branded as the 392 Hemi. Out of the box, this naturally aspirated pushrod V8 crate motor produced a stout 525 hp and 510 lb⋅ft torque.

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).

How many CI is a 6.4 Hemi?

392 CID6.4L Hemi Engine Specs (Truck Models)Engine:Chrysler 6.4L Hemi V-8Displacement:392 CID, 6.4 litersFiring Order:1 – 8 – 4 – 3 – 6 – 5 – 7 – 2Bore:4.090 in (103.9 mm)Stroke:3.72 in (94.6 mm)18 more rows

Do Hemi engines need premium gas?

Basically, a fuel’s octane rating is the measure of how much compression a fuel can withstand before igniting. … This is why high-performance engines require more octane. If you have the HEMI V8 engine, you should use the 89 octane, if you have the base V6 engine, then it is okay to use the 87.

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.

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.

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.

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 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.

What is the biggest Hemi engine?

See and Hear Mopar’s New 1000-HP 426 Hemi Crate Engine Nicknamed the Elephant for its massive size, weight, and output figures, the engine’s legend has long outstretched its reality.

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

In stock trim, the intake ports on the 5.7L heads top 260 cfm. That is enough airflow to support over 525 hp on a modified (normally aspirated) Hemi application. The larger 6.1L (and 6.4L) heads flow even more, but the icing on the cake is that all heads will respond to porting.

Why are pushrod engines bad?

The main disadvantages of a pushrod are harshness, and being restricted in rpm range. Buttttttttttttttttt what the Vette has achieved in terms of power output, gas mileage and the price its offered at….is pretty outstanding. Pushrod engines are also not as FE as the OHC engines..

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 much can a Ram 2500 6.4 HEMI tow?

How Much Can a RAM 2500 Tow? With the 6.4L HEMI® V8 engine, this RAM truck has a Best-In-Class max RAM towing capacity of 17,130 pounds and 6,600-pound max payload capacity.

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.1970-71 Dodge Challenger/’Cuda Convertibles.2003 Dodge Ram Pickups.2015 6.2 Hellcat.2016 6.4 L – 392 ScatPack Shaker.More items…•

Is the 392 a true Hemi?

“Well, the 392 is the original Hemi”, which I will accept, but not that it’s any better or that the current gen is not “real”.