- Why are Hemi engines so powerful?
- What is the best Hemi engine?
- Is the Hemi a good engine?
- What is high mileage for a 5.7 Hemi?
- Is 6.4 Hemi a big block?
- How many miles does a Dodge Ram last?
- Does 6.4 Hemi require premium gas?
- How much horsepower can you get from a 5.7 Hemi?
- How many miles will a 6.4 Hemi last?
- Is the 6.4 Hemi a reliable engine?
- Why was the HEMI banned from Nascar?
- Is the Hemi tick bad?
- Is the 5.7 Hemi engine reliable?
- Why do Hemi engines tick?
- Why do Hemis have two spark plugs?
Why are Hemi engines so powerful?
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.
Also advantageous, is the size of the valves..
What is the best Hemi engine?
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 Hemi a good 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. Like any engine, the 5.7 Hemi has its quirks, but it remains one of the most reliable engines available.
What is high mileage for a 5.7 Hemi?
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 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 miles does a Dodge Ram last?
200,000 milesLong Lasting Durability With Affordable Parts If properly cared for, most used vehicles can hit over 200,000 miles. That means a used truck from 2014, made by a legendary company like Ram, will still be found in phenomenal shape.
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 much horsepower can you get from a 5.7 Hemi?
Run on the dyno with the TorqStorm supercharger, the modified 5.7L Hemi produced 675 hp at 6,300 rpm and 585 lb-ft of torque at 5,500 rpm, all at a peak boost of 10.0 psi.
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.
Is the 6.4 Hemi a reliable engine?
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.
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.
Is the Hemi tick bad?
Hemi chambers do not inherently make a ticking sound. A hemi or any engine engine with a solid lifeter cam will make a slight ticking noise – even when the valve clearence is set to proper specs, but that has nothing to do with the engine having hemi heads on it.
Is the 5.7 Hemi engine reliable?
5.7L V8 Hemi Engine Problems and Reliability In general, the third-generation Hemi V8s don’t have any significant design flaws, and the 5.7L version is a solid reliable engine.
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.
Why do Hemis have two spark plugs?
Chrysler morphed this idea to include dual fired plugs on each cylinder, which allows the firing to take place closer to top dead center, and then again when the piston is on the back side of the power stroke. This also reduces NOx and ozone. Full combustion results in heat, water, and carbon dioxide.