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Why do Hemi engines tick?

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.

In respect to this, Why does the 5.7 Hemi have 16 spark plugs?

Chrysler morphed this idea to include dual fired plugs on each cylinder, which allows the firing to take place closer to top dead center, and then again when the piston is on the back side of the power stroke. This also reduces NOx and ozone. Full combustion results in heat, water, and carbon dioxide.

Furthermore, 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.

Additionally, 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 long will 5.7 Hemi last? 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.


16 Related Questions Answers Found

How many miles does 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.

What spark plugs should I use in my 5.7 Hemi?

Best Spark Plugs for 5.7 Hemi

  1. Mopar Chrysler Jeep Dodge Spark Plugs Mopar. …
  2. Bosch Automotive 8162 Double Platinum Spark Plug. …
  3. NGK LZFR5C-11 Spark Plug. …
  4. NGK 2262 Spark Plug ZFR5F-11. …
  5. Spark plug NGK 5464 BKR5EIX-11 Iridium IX. …
  6. Champion Spark Plug RE14MCC4 570 Copper Plus. …
  7. Champion 3570 Platinum Power Spark Plugs.

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.

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.

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 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.

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.

What is high mileage for a 5.7 Hemi?

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.

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.

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.

Can new spark plugs increase horsepower?

In short, yes, in some situations spark plugs can increase horsepower. … These ‘massive’ gains of one or two per cent generally won’t be exceeded, even if you’re replacing really old and worn spark plugs for new ones. In this case, your essentially just restoring your car back to its peak performance.

Is a 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.

How many spark plugs does a 5.7 liter Hemi have?

15 Answers. If it the 5.7 hemi it will have 16 spark plugs.

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.

What’s Chevy’s biggest engine?

As the power behind the 2019 Corvette ZR1, the new supercharged 6.2L LT5 represents the pinnacle of Chevrolet’s performance: It’s the most powerful engine ever offered in a Chevy production vehicle.

How much is a 427 LS motor?

Chevy LS 427 LS7 Pump Gas Engine $17,050.

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 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.

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.

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