Is The 5.7 Hemi A Good Engine? Overall, the 5.7 Hemi is an outstanding 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.
In respect to this, Do Hemi engines need premium gas?
The SRT8 high-performance Hemi requires 91 octane fuel only. … This higher compression causes the engine to require a higher octane fuel in order to produce its maximum power and avoid the problems with knocking and pinging that are associated with high-compression engines if fueled with low octane gasoline.
Furthermore, What is the life expectancy of a 5.7 Hemi?
Chances are, well maintained Chrysler 5.7L HEMI engines should last to 200,000+ miles. Problems will occur along the road to old age and high mileage. However, no engine is exempt from this general concept. Overall, the HEMI 5.7 is a reliable, powerful, and fun engine to drive.
Additionally, 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.
Did Ram fix the Hemi tick? Short answer, no, RAM didn’t fix the tick as far as I have read. Owner options like what has been written in other threads and a bit above abounds but I believe it’s still there.
18 Related Questions Answers Found
How many MPG does a 5.7 Hemi get?
5.7L HEMI V8 Engine. Fuel Efficiency (4X2): 15 mpg city/22 mpg highway. Fuel Efficiency (4X4): 15 mpg city/21 mpg highway.
Does premium gas give better mileage?
Premium gives better gas mileage
Because premium gas has a higher octane rating than midgrade or regular gas, it produces a little more power when burnt. Designed for performance cars with large, powerful engines, premium also helps minimize the risk of preignition inside highly-stressed, hot engine cylinders.
What happens if you accidentally put regular gas instead of premium?
Because regular has lower octane, it is more prone to detonation. Burning regular in an engine designed for premium on a long-term basis or under heavy loads can cause engine knock, and that in turn can damage the pistons, valves or spark plugs.
What is high mileage for a Ram 1500?
Ram 1500 pickups have proven to rack up mileage well over 300k miles without major engine or transmission repairs. There is no reason why most modern Ram 1500 engines can’t make it pass 300k miles with proper preventive maintenance.
How can I get more horsepower out of my 5.7 Hemi?
Reduce engine weight by replacing the iron flywheel with a lightweight aluminum flywheel. The weight reduction allows the engine to rev faster; thus, power can be transferred to the rear tires faster. This improves torque and overall horsepower of the HEMI engine.
How bad is Hemi tick?
According to Chrysler/ Dodge, Hemi engines can develop a completely normal, harmless tick. In our experience, this can be true. We have checked out some Hemi engines with ticks in the past and have been unable to find any problems with them.
How long can you drive with the Hemi tick?
So, if you hear any ticking, tapping, or clicking noise from the engine, make sure to check your lifters. Do not ignore this sound because the damage from this ticking noise can be big and expensive. You shouldn’t drive your vehicle for more than 100 miles if you have bad lifters.
Should I use synthetic oil in my 5.7 Hemi?
Being a viscosity grade of 5W-20 the oil is mainly for colder temperatures, perfect for a Hemi 5.7. If you are running an engine without a warranty then you are recommended to buy this synthetic oil to get better protection as well as better fuel economy.
Should I worry about the Hemi tick?
If you start to hear a ticking noise in your Dodge Ram, you should take it to a vehicle repair shop or a dealer to have it diagnosed. It could just be that infamous Hemi tick, or it could be something more serious.
How bad is the Hemi tick?
According to Chrysler/ Dodge, Hemi engines can develop a completely normal, harmless tick. In our experience, this can be true. We have checked out some Hemi engines with ticks in the past and have been unable to find any problems with them.
What oil stops Hemi tick?
But as it turns out we have had an 80% success rate killing hemi tick by using redline oil 5w30 in the 5.7. The formula of redline has very high Molybdenum amoungst other high additives with an ester PAO base stock, this has been found to be very helpful at quieting these engines, including mine.
How can I get better gas mileage in my 5.7 Hemi?
How to Increase Mileage on a Dodge RAM 5.7 HEMI
- Change 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 much horsepower does a cold air intake add to a 5.7 Hemi?
How much HP and torque does a cold air intake add? It makes such a big difference, in fact, that the simple process of redirecting the filter to draw cooler air is good for a horsepower gain of about 5 to 20 ponies in most cars.
What is wrong with the RAM EcoDiesel?
On the 3.0 EcoDiesel the EGR cooler is prone to cracking. Fortunately, in October of 2019, FCA issued a recall for 108,000 EcoDiesel Ram’s due to cracking EGR coolers. FCA claimed that hairline cracks in the EGR cooler could cause coolant to leak into the engine bay and cause fires.
Is premium fuel worth buying?
In a consumer notice, the Federal Trade Commission, notes: “In most cases, using a higher-octane gasoline than your owner’s manual recommends offers absolutely no benefit. It won’t make your car perform better, go faster, get better mileage or run cleaner.”
Does 95 octane give better mileage?
According to NRMA motoring expert Jack Haley, on average 95 RON can give around 4 per cent lower fuel consumption than 91, assuming the engine computer adjusts to take advantage of the octane difference.
What fuel is recommended for a 5.7 Hemi?
Turns out it’s also for owners of Fiat Chrysler’s Hemi 5.7-liter V-8, as the company recommends 89-octane fuel for this engine.
Is premium gas really worth it?
The octane rating of gas your car runs best on depends on how the engine is designed. … But using higher octane gas than your car requires isn’t actually better for your car. The FTC sums it up this way: “In most cases, using a higher octane gasoline than your owner’s manual recommends offers absolutely no benefit.”
What happens if you put 93 gas instead of 87?
If you usually fill your tank up with 87-octane gasoline and you accidentally put in a higher octane blend (say, 91, 92, or 93), don’t worry. You’re actually filling your car or truck with a different blend of gas, which means it will burn differently in your engine.
Is it bad to mix gas from different stations?
Gas stations use different additives in most cases, but there is nothing wrong with mixing stations, or even octane ratings. If you mix 93 and 87 you get 90, mix 89 and 93 you get 91.
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