Does A 5.7 Hemi Need Premium Gas?

Is the 5.7 L Hemi a good engine?

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..

Can I put premium gas in my Ram 1500?

Ram recommends 89 Octane. Now putting a lower octane than recommended is a very bad idea. Your Alfa and many other cars were tuned for the higher octane and using a lower octane fuel will cause pinging (pre-detonation) that cause cause early engine wear and outright failure.

How can I add horsepower to my 5.7 Hemi?

Get more power out of your 5.7 Hemi and give your engine an extra punch with compressed air to blast through the cylinders. Turbochargers and superchargers give your Dodge Ram 1500 bolt on horsepower and torque while doing very little to your fuel efficiency.

Which gas is better 87 89 or 93?

Regular gas is rated at 87 octane in most states, while premium gas is often rated higher at 91 or 93. Fuel with a higher octane rating can stand up to higher compression before it detonates. Essentially, the higher the octane rating, the lower the likelihood that detonation happens at the wrong time.

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

525 hpIn 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.

How often should you change spark plugs in a 5.7 Hemi?

With the HEMI V8 engine, spark plug replacement requirements are based on model year and displacement. The first HEMI engine, the 5.7L, required replacement every 30,000 miles. This interval for this engine continued until 2014. In that model year, the replacement interval was extended to 100,000 miles.

Can you use 93 octane in a 5.7 Hemi?

ZJ Grand Cherokee Forum > 5.7 liter Hemi-Why no 93 Octane ? No it will not hurt the engine to go higher in octane. … 93 won’t hurt but there are few legitimate reasons to use it if your engine doesn’t require it. Higher octane by itself provides little or no performance benefit for an engine that does not require it.

Can I run 91 octane in my 5.7 Hemi?

Registered. 87 is allowed but 89 is recommended for best performance and fuel economy. I run 89 since I’ve gotten it. Using 91 or higher is just a waste of money unless you’ve tuned it for 91/93.

Can I run 87 octane in my Hemi?

All of the new vehicles “CAN” run 87 octane fuel, but it’s not recommended and used repeatedly or long term will eventually result in engine damage. It should not spark-knock, as the ECU (computer) should detect it and detune the ignition accordingly but with commensurate sacrifice in both performance and MPG.

What gas should I use in my 5.7 Hemi?

11 Answers. Regular unleaded should do just fine.

Do Hemi engines need premium gas?

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.

Can you put regular gas in a 5.7 Hemi?

The 5.7L requires 89 octane w/ auto trans and 91 octane w/ manual trans per the owner’s manual. You can run 87 octane in your car but the computer will pull timing to compensate for the inevitable spark knock that will result from using a poor grade fuel in a performance car.

How can I get better gas mileage in my 5.7 Hemi?

How to Increase Mileage on a Dodge RAM 5.7 HEMIChange your RAM’s oil every 3,000 miles or at least every three months. This keeps the engine clean and running well.Get a tune up. … Avoid letting your Doge idle for long periods of time. … Check your tires often. … Avoid accelerating quickly. … Check your air filter.

How many MPG does a 5.7 Hemi get?

15 mpg5.7 HEMI V8 Engine: 4×2 fuel efficiency rated at 15 mpg city/22 mpg highway; 4×4 fuel efficiency rated at 15 mpg city/21 mpg highway.