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.
Subsequently, 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.
then, 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.
Thereof 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.
How many miles can a 5.7 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. 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.
18 Related Questions Answers Found
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.
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.
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.
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.
Can I put 93 in my Hemi?
93 octane is likely too much for the Hemi and probably reduces the efficiency of the engine due to the difficulty of fuel detonation in the lower compression engine at the time of the peak power stroke. … Ethanol is a great fuel source, however, not really meant to be run in our motors.
Why are Hemi engines so powerful?
Because the Hemi surface area is smaller than flathead engines, less heat escapes during combustion and the fuel burns hotter. With the valves on the opposite side, they can be bigger, allowing more airflow. The Hemi engines are the heart of the Ram 1500, Ram 2500 and Ram 3500 trucks.
What is the best oil to use in a 5.7 Hemi?
The recommended engine oil for 5.7 Hemi is MOPAR manufactured 5W-20 oil. Also, equivalent Pennzoil or Shell Helix can be used. It has a pretty high flash point and low pour point making it compatible with 5.7 Hemi.
How much HP can a 5.7 Hemi handle?
Arrington says (the 5.7) the internals will not handle more than 650hp for the rods/something around there. Crankshaft handles up to 650 hp.
How many miles can a 5.7 Hemi go?
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.
Will thicker oil help Hemi tick?
Thicker oil won’t solve your ticking issue’s and may cause problems elswhere. Ticking is in the valve guides and thicker oil won’t help at all.
What helps the HEMI tick?
There are several things you can try to stop that annoying Dodge Hemi tick.
- You could try an engine additive. This might help the ticking noise.
- Try flushing the engine. …
- Use some high-quality oil. …
- Change and/or tighten the spark plugs.
- Tighten or replace the exhaust manifold bolts.
What is a Hemi Magnum?
The Dodge HEMI Magnum
The Dodge HEMI engine builds off the tradition of HEMI power to deliver a 345-cubic-inch (5.7 liter) V-8 engine with hemispherical heads. The engine produces 345 horsepower, and compares very favorably with other gasoline engines in its class.
Should I let my Hemi warm up?
Giving it time to warm up gets the juices flowing and to make sure shes protected and lubed up. This should only take 30sec and thats what I have seen the “warm up” time. If the temp is lower then 0 then it should take a minute to warm it up. So you really dont need to sit for 5 min or anything to warm it up.
How much gas does a 5.7 Hemi use at idle?
According to my Scangauge, my 5.7L uses 0.3 gallons per hour while idling, once engine and transmission are at operating temperature. That’s 42.6 fl oz or just about 2.5 pints of gas.
How long should you let a Hemi warm up?
Your truck will actually warm up faster if you start it, let idle for 30 seconds or so to let things flow properly, then drive vs just sitting at idle for 5 minutes. You will use a lot less fuel as well. Remember your fuel economy is ZERO at idle.
Does the 6.4 Hemi have lifter problems?
Lifter problems on the 6.4 HEMI likely boil down to poor oil flow over the lifter rollers which causes them to seize. Once this occurs, the lifter contacts the cam lobes and produces an audible engine ticking noise. Of course, metal on metal contact also results in shavings of metal entering the engine oil.
Is MDS bad for engine?
Is MDS bad for the engine? No, the MDS is not bad for your engine. The whole idea behind this system to actually to improve fuel efficiency. The only complaint about the MDS is that drivers can only use four cylinders instead of eight.
Is the 5.7 Hemi a good motor?
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.
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