New Rams 0W-20 now !

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HEMIMANN

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No direct injection in this car. Still MPI. The oil is fairly dark but not quite jet black though. And the filter isn’t that bad. The picture makes it look darker. It was a very dark brown in person but it’s also a darker pink color when new so can’t really say on how “dirty” it is. It’s fairly close to the same color as the oil honestly.

Ah, geez - I wasted a good rant for nothing.
 

mikeru

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Google says the 3.6l takes the 0w20

Who do you belive?
Google doesn't say anything about it. They just provide search results for your query. The articles in the results from Google searches are not gospel. You have to take them with a grain of salt. Contrary to popular belief, just because it's on the internet doesn't mean it's true. Plenty of people will research which oil they should use to achieve the best results. There is plenty of good information out there. But for people who don't wish to put their warranty at risk, you can't go wrong with following the owner's manual/oil filler cap recommendations.
 

turkeybird56

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While I respect Mr. Burla; he doesn't know everything ... strange but true.

Good article

C. Performance

Both 0W-20 and 5W-20 are thinner oil grades that perform best in low temperature winter climates.

0W-20 oil grade (due to its lower viscosity) is better with cold starts. It also prevents problems like sludge buildup, engine wear, varnish deposits, and low oil pressure. You can expect faster oil circulation with 0W-20 and a smoother flow.

So if you’re going to be driving a lot in below-freezing temperature climates and rarely drive in warmer temperature climates, 0W-20 oil grade would be ideal for you.

On the other hand, 5W-20 has a higher viscosity and performs slightly better in seasonal climates. It’s a slightly thicker oil and is more resistant to oil thinning at hotter temperatures.

Note: Some cars can take both 0W-20 and 5W-20 oil. But before you switch to a different viscosity grade, speak to your mechanic about the recommended oil for your car.
Not gonna dispute ne body. Here in Winter I run 5W 20. In summer, I am starting to run 5W 30, just getting hotter in summer and staying hot, sometimes only cools down to like 89 at night. Need the higher VI side for heat. Good thing my RAM is basically a Driveway Princess.
 

PaleFlyer

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That's crazy,here guys proof that even 5w20 is too thin and leads to hemi tick in many cases, FCA is going in opposite directions,without fixing existing hemis problems.
They want to decrease the short term cost of use. I found swapping to 5-30 PUP from 5-20PP cost me about 2 MPG avg. So dropping to 0-20 would probably get most drivers who don't use the hemi fun pedal over 20MPG. And Stellaris/FCA don't want the hemi to last 300k+. Just out of warranty, and "long enough" people come back.

Plus most people who buy a $70k+ truck likely either are swapping every 4-7 years, or leasing, so probably won't even get the tick, let alone see the actual damage happen.
 

DILLIGAF

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Tell me FCA dosent care about your engine without telling me.... lol...
 

Andrei20

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0w20 and 5w20 are almost identical, but yeah they are both thin. The bad news is coming though, it is a matter of time before they will put in 0w16 and that is 2 full points thinner. See the bottom two lines 0w20 and 5w20 white and yellow, they will likely operate the same at temp.

Depending on the formula, in many cases 0w20 can even be a better quality oil. if they use pao to achieve cold flow instead of vii's.

View attachment 508596
Yes, they are almost identical at operating temperature, since 20 is the viscosity for that, and just a bit different at cold starts, 0w would be safe at around -40, and 5w - at about -35.
I'd switch to a 30 grade oil, at about after 30-40 thousand miles. And if you live in a colder climate you chose a 0w or a 5w. You want a thicker oil film to fill the gaps in the engine. Plus, you get a higher oil pressure with thicker oil. Of course, the mechanic or the dealership won't advise, or support that, since it's "against the recommendations from the manufacturer", and they don't want to assume any responsibility. But use your head. The dealership wants your engine to tap out at around 150 thousand miles, so you go buy another truck and maintain the cash flow for them.
To me, I won't put that 0w-20 water in my engine even if I get it for free.
 

Andrei20

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While I respect Mr. Burla; he doesn't know everything ... strange but true.

Good article

C. Performance

Both 0W-20 and 5W-20 are thinner oil grades that perform best in low temperature winter climates.

0W-20 oil grade (due to its lower viscosity) is better with cold starts. It also prevents problems like sludge buildup, engine wear, varnish deposits, and low oil pressure. You can expect faster oil circulation with 0W-20 and a smoother flow.

So if you’re going to be driving a lot in below-freezing temperature climates and rarely drive in warmer temperature climates, 0W-20 oil grade would be ideal for you.

On the other hand, 5W-20 has a higher viscosity and performs slightly better in seasonal climates. It’s a slightly thicker oil and is more resistant to oil thinning at hotter temperatures.

Note: Some cars can take both 0W-20 and 5W-20 oil. But before you switch to a different viscosity grade, speak to your mechanic about the recommended oil for your car.
5w-20 and 0w-20 have same viscosity at operating temperature, or hot engine( the 20 number means that), and 0w-20 just flows a bit better than 5w at cold starts (0w and 5w are the viscosity numbers at cold starts). That's the only difference. And you won't get higher oil pressure from thinner oil, your thinner oil will leak out at the crankshaft main and connecting rod bearings, at the camshaft bearings, and also the oil pump has some losses too, the efficiency drops when the oil is thinner. How do I know that? Look at the oil pressure of a cold engine vs hot, it drops as the oil gets hotter and, obviously, thinner.
This 20 grades oils are only a way to save another 0.05 litters of fuel at 100km. But sacrificing the moving parts in the engine. Choose what you want, but I wouldn't put that 20 oil in my engine even if I get it for free. Screw the manufacturer recommendations, they manufacturers just want to do sales, of both parts and cars.
 

PoMansRam

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I ran synthetic 5w30 in my 2017 Ram 1500 pentastar and my 2019 Ram 1500 hemi from the time I got them used w/ mileage in the low teens, to the time I sold them w/ miles in the 60K range. I changed the oil on both when the OLM got to ~50% life remaining, which was always around 5000-6000. I hope the subsequent owners of these trucks appreciated my efforts. LOL!
 

LemmysDad

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My 22 Rebel 5.7 calls for 0W20 on the fill cap. So I filled it with 5W30 and a bottle of liquid moly. Slept well that night and every one after that. May put 5W20 in for the winter at my upcoming oil change. PUP Full Synthetic on the regular with the RP 20-820 filter. Ran 5W20 PUP with Mopar SRT oil filter and Liquid Moly in my 2018 Sport. Zero issues at 200000km at trade in for the Rebel.
 

Marshall

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Yhea, they call them electric.
Air cooled? VW, Briggs& Stratton, HD . Many yrs ago I would run 0/30 in my diesel tractor in winter When it is real cold you want that 1st number low.
 
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HEMIMANN

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Still waiting for the magical ILSAC 0W-0....
 

ram1500rsm

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4 years later in my 14 Hemi, DOD disabled via tune literally after week 2 of ownership, bought it used with 30k something miles back in 2018, 122k miles and change now, Still changing my oil when the DTC says so, still using the Mopar filter for my year model, still not putting a single drop of any oil additives coudn't care less what they are or what they're supposed to do and still using using Castrol 5w30 synth. Not a single issue with anything knocking on wood. I let her idle as much we need that engine to idle too, sometimes is either too hot or too cold outside and with kids AC or Heater is mandatory for us no questions asked.
 
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Aggie86

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Air cooled? VW, Briggs& Stratton, HD . Many yrs ago I would run 0/30 in my diesel tractor in winter When it is real cold you want that 1st number low.
Word. At -20F the difference in cranking effort between a zero weight oil and 5 weight oil is significant.
 

GTyankee

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If it was bad to run 0W-20 motor oil in the HEMI engines ..

There would not be a running HEMI engine down in Australia
They only sell 0W- down in that country
It has been that way for several years now
 

knightjp

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There is plenty of good information out there. But for people who don't wish to put their warranty at risk, you can't go wrong with following the owner's manual/oil filler cap recommendations.
There is plenty of good information. Most of it on this site.
If you don't want any warranty issues, yes good to follow the manual. If you want longevity however, I would say that in my experience, the manual doesn't always give you the best advise. My manual says 5W20, but I've been burned with the dreaded tick to know that it is not good for where I live. I need to run the 5W30 or 5W40.
 
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