Quick Answer: Is The 392 Hemi Reliable?

How much HP can a 6.4 Hemi handle?

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..

How much boost can a 392 handle?

The crank is forged, so with pistons and rods you should be able to bump it on up to 10-12 psi. This should net you 650+ rwhp with a good tune.

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.

Can you put 87 in a Hemi?

To reduce the chance of pinging and knocking because of higher cylinder pressures, Chrysler recommends 91 octane fuel be used with Hemi engines that are matched to a manual transmission. 87 octane fuel is considered the acceptable minimum for Hemis with manual transmissions.

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).

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.

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 stand for?

Get lostScat Pack. Popularly 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.

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 miles 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.

Is the SRT 392 faster than the Scat Pack?

The Challenger SRT 392 (top) trumps the R/T Scat Pack in terms of equipment and accessories, but not power; both Dodge coupes boast a 485-horsepower 6.4-liter V8.

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’s better scat pack or SRT?

Despite the significant price savings, the R/T Scat Pack gets the same power as the more expensive SRT 392 model, though it gives up some of the handling and braking equipment as well as some creature comforts.

Whats faster RT or SRT?

-ft of torque. Therefore, there’s no denying that the Dodge Challenger SRT performance horsepower is better than the Dodge Challenger RT performance . However, if you’re looking for an affordable fuel, efficient way to experience the legendary power of the Dodge Challenger, the Dodge Challenger RT is your best bet.

How reliable is the Hemi 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.