Synthetic Motor Oil Poll 2017

[Ramnewbie]

Hemi 5.7 requires all 5w-20, not mixed.

6.4 is just a different engine, mostly. And I think its only in the 2500 or higher, so its a "heavier duty" application engine.

The thought about mixing for the 5.7L is because the 20W side is thought to be a little thin for a big honkin 8 cylinder engine, along with the fact that the engine seems to prefer oil with as much molybendum as you can get.

PUP 0W-40 has a good amount of moly in it

PUP/PP 5W-20 or 5W-30 has less but still has some.

Redline has a ton but isnt something you can usually buy locally.

Oddly enough, even Pennzoil conventional has a decent amount of moly in it, but then you dont get the advantages of synthetic.

Another possibility is the latest formulation of Pennzoil Gold (synth blend), but I havent seen a VOA/UOA on it yet to be sure.

Why are you saying the 5.7 requires only straight 5/20 no mixes or anything else? Because FCA says so? If you have a factual answer please enlighten us as many of us including myself are running 5/30 or mixes other than straight 5/20 with no issues.

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[chrisbh17]

Why are you saying the 5.7 requires only straight 5/20 no mixes or anything else? Because FCA says so? If you have a factual answer please enlighten us as many of us including myself are running 5/30 or mixes other than straight 5/20 with no issues.

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The manual is different per year, some years have "5W-20 is required but you can use 5W-30 if 5W-20 isnt available". Some years have "5W_20 is required".

My 2017 manual says 5w-20 is required and nothing about using 5w-30 if -20 isnt available.

Oil cap itself says 5w-20.

So, Chrysler/Mopar/Dodge/RAM says it, which I consider factual.

It doesnt make it the best for our engines, but if it came down to it, its at least what is required to keep our warranties. Would they call us out on it? Probably dealer dependent, but Id prefer not to leave that up to chance. At least have a receipt showing some 5W-20 bought, I guess.

Id rather run 5w-30 myself as well, regardless of what the manual says.

 

[Hemi395]

Not to open up a can of worms or beat a dead horse, but 5w20 is spec-ed by FCA in the 5.7 Hemi and most other manufacturers now for one reason and one reason only: fuel economy. And by fuel economy we're talking about a maximum increase of about 1%. Doesn't seem like much but to the EPA, it's a lot.

The only effect 5w30 will have on a 5.7 is a quieter running Hemi and at most a 1% degradation in fuel economy.

Just think, 0w16 is already here. It won't be long before they change the spec-ed oil for just about everything to 0w16 for that extra .05% fuel economy.

 

[U&A]

Not to open up a can of worms or beat a dead horse, but 5w20 is spec-ed by FCA in the 5.7 Hemi and most other manufacturers now for one reason and one reason only: fuel economy. And by fuel economy we're talking about a maximum increase of about 1%. Doesn't seem like much but to the EPA, it's a lot.

The only effect 5w30 will have on a 5.7 is a quieter running Hemi and at most a 1% degradation in fuel economy.

Just think, 0w16 is already here. It won't be long before they change the spec-ed oil for just about everything to 0w16 for that extra .05% fuel economy.

I would love to join you in opening that can.... WIDE OPEN.

But there is not a single thing to add. You post covers the 20w propaganda.

 

[Ramnewbie]

I would love to join you in opening that can.... WIDE OPEN.

But there is not a single thing to add. You post covers the 20w propaganda.

The bad thing about these 0/16 oils is how long will it be till the dealers just start substituting it for 0/20 in everything coming through their doors. I don't even like 0/20 but dealer put it in my wife's GC because I didn't specify that I wanted 5/20, even though her GC is specd for 5/20 and the oil cap says 5/20.

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[smiley]

The bad thing about these 0/16 oils is how long will it be till the dealers just start substituting it for 0/20 in everything coming through their doors. I don't even like 0/20 but dealer put it in my wife's GC because I didn't specify that I wanted 5/20, even though her GC is specd for 5/20 and the oil cap says 5/20.

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That is because you can spec up and down with the 0w oils. There would be no issue running a 0w-xx the issue with 0W-16 is not the 0W but rather the 16 part.

 

[Ramnewbie]

That is because you can spec up and down with the 0w oils. There would be no issue running a 0w-xx the issue with 0W-16 is not the 0W but rather the 16 part.

I understand what you're saying to a point, but by that being said the 0/20 should have been ok in my wife's GC. I'm here to tell you it run like crap with the 0/20, so bad my wife even complained about it and she didn't even know about the oil. Changed back to 5/20 and everything went back to normal. I'm now running 5/30 in it and it's running better than ever.

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[R.L.K.]

That is because you can spec up and down with the 0w oils. There would be no issue running a 0w-xx the issue with 0W-16 is not the 0W but rather the 16 part.

Agreed 100%

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[Ramnewbie]

Agreed 100%

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So why aren't you running 0/30 in you're Hemi?

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[R.L.K.]

So why aren't you running 0/30 in you're Hemi?

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Because the Redline mixture I use ...3.5 qts of 10W -30 & 3.5qts of 5W- 30. Yields a higher ppm of zinc , phophorus and Molybdenum...
The __W is the winter rating ..cold pour point rating .
I live in NE , Tennessee so pretty mild winter temps . Some times maybe a few single digit nights but usually the coldest we get is the teens ; furthermore , I park in the garage at night in the winter .

Hope this answers your question Sir .

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[smiley]

So why aren't you running 0/30 in you're Hemi?

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With that said you might find the formula is not equal. The 0w-30 may or may not be as good as the 5w-30. In Redline their 5w-30 is supposed to be best.

 

[R.L.K.]

With that said you might find the formula is not equal. The 0w-30 may or may not be as good as the 5w-30. In Redline their 5w-30 is supposed to be best.

Yep I agree again , this is why I still use 3.5 qts of the 5W .
I run the 10W for the higher ppm of molybdenum , phophorus & zinc found in the 10W-30 Redline .

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[Ramnewbie]

Because the Redline mixture I use ...3.5 qts of 10W -30 & 3.5qts of 5W- 30. Yields a higher ppm of zinc , phophorus and Molybdenum...
The __W is the winter rating ..cold pour point rating .
I live in NE , Tennessee so pretty mild winter temps . Some times maybe a few single digit nights but usually the coldest we get is the teens ; furthermore , I park in the garage at night in the winter .

Hope this answers your question Sir .

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You're missing my point, I'm not talking redline, Amsoil, PP, PUP, I'm talking about 0/16 and the dealers just substituting it as the house oil to be used in everything that they should be putting 0/20 and 5/20 in. So far I haven't seen any of the major manufactures producing the 0/16, the only one I've seen is a store brand generic.

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[U&A]

Ok. Ok

The down side of 0w oils is the base stock makup usually contains more stuff that burns of when the oil is hot. VII’s.

I hate to be a burla roflsquared but pleases also refer to the “triangle” when judging oil.

Edit: wow i fat fingerd a lot of that post . LOL. Edit tool rocks.

 

[Ramnewbie]

Ok. Ok

The down side of 0w oils is the base stock makup usually contains more stuff that burns of when the oil is hot. VII’s.

I hate to be a burla roflsquared but pleases also refer to the “triangle” when judging oil.

Edit: wow i fat fingerd a lot of that post . LOL. Edit tool rocks.

I agree, but how many people other than us get into the weeds about oil? 0/16 will be marketed as great for milage and newest and best thing on the market and all the tree huggers will jump on the band wagon. Then when their engine that they should be running 5/30 or 5/20 in starts knocking the last thing they'll think is maybe I shouldn't have been running that 0/16 oil. And I would venture to say that the majority of people that take their vehicle in for an oil change have no clue as to what oil is in their vehicle, all they know is I get my oil changed when the evic says oil change required.

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[R.L.K.]

Unfortunately you are correct ... LOL stupid tree huggers

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[U&A]

Post of the day right there ^^^

 

[U&A]

Forgot to add that the 0w oils will shear out of grade a lot faster/more. Even redline 0w oils will shear more.

 

[69GWC]

So who is going to test out that 0w16 oil in there Hemi.

 

[U&A]

So who is going to test out that 0w16 oil in there Hemi.

Hay you