Again, the Chrysler 5.7 HEMI is a pretty reliable engine. Problems can and will occur at some point in the engines life. However, it’s a risk we take with all engines and the best we can do is maintain them as well as possible. 5.7L HEMI longevity should be north of 200,000 miles if well maintained.
Subsequently, Do HEMI engines use more gas?
Hemi surface area is smaller than that of a flathead engine, so less heat escapes during combustion – and hotter fuel burns better.
then, 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.
Thereof 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.
How many miles can a 5.7 Hemi 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.
19 Related Questions Answers Found
How long will 5.7 HEMI 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.
How many miles per gallon 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.
What is a 572 HEMI?
FHO 572 Street Hemi Package. The 572 has become the most popular engine produced at FHO. It offers the most bang for the buck, with improved torque and power over the smaller 528/540’s. With the added low end torque, this engine does not require steep gears or high stall torque converters to perform.
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.
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.
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 much does it cost to replace a 5.7 Hemi engine?
It will cost you between $5,600 and $13,000 to replace a 5.7 Hemi engine. If you go for remanufactured Hemi engines, it will cost you between $2,900 and $4,000 to purchase before you have a professional install it.
Which is better Hemi or Cummins?
Overall, the gas HEMI engine provides the best gas horsepower among 250/2500 pickups — and more payload capacity than the Cummins — but the turbo diesel outperforms it with mountains of torque and more maximum towing capacity.
Is the 5.7 Hemi a big block?
RE: 5.7L Hemi is a Big Block? No it is not. A big block is generally over 400CID. There are small blocks larger than 400, but they are just stroked engines.
Why does my 5.7 Hemi 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.
Is the Ram 5.7 Hemi a good engine?
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.
Does Hemi 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.
Why is a hemi more powerful?
A HEMI® engine is composed of a hemispherical combustion chamber with dome shaped cylinders and matching piston tops. This creates less surface area than traditional engine which means that less heat and energy lost, and more power is produced.
How much HP can a 5.7 Hemi block handle?
With proper tuning, a stock 5.7 / 6.1 will handle around 450hp at the crank or 7-8 lbs of boost. Without methanol injection, I would not recommend over 5 psi. The first problem to come up will be the cast pistons in these engine that start to break with detonation or power higher than 450hp.
What is the most powerful Hemi engine?
Mopar® is unleashing the most powerful production muscle-car engine ever available to builders and enthusiasts with the launch of its newest crate engine – the 807-horsepower Hellcrate Redeye 6.2-liter Supercharged HEMI® V-8 engine.
How much horsepower is a 5.7 Hemi?
5.7L HEMI® V8
The 5.7L V8 HEMI® engine is available only on the R/T trim This engine offers 370 horsepower with 395 lb-ft of torque. With this powerful HEMI® upgrade, you’ll get a 0-60 mph of 5.2 seconds and a ¼ mile time of 13.7 seconds.
Is it bad to let Hemi idle?
Idle time is not good for these engines. They have to low of oil pressure/flow at the set idle RPM. So keep warm up time to a minimum. Best thing is to let the high idle go down (about 1 min) and then Drive like you have a cup of hot coffee on your dashboard for a while.
Why does my 6.4 Hemi tick?
Hemi “Tick” coming from the top of the Motor is NORMAL. A little lifter noise does NOT translate through the bottom of the car to the exhaust. That noise sounds like a RATTLE. That is NOT normal.
How do you fix a lifter tick?
Lifter tick can happen due to dirt in your engine oil, low engine oil levels, improper lifter spacing, or overall faulty lifters. You can get rid of the lifter ticking sound by changing the engine oil, clean the lifter with oil additives, adjust the lifter spacing, and in rare cases replace the entire lifter.
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