0/w16 Really? - Toyota RAV4 Forums
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post #1 of 29 (permalink) Old 03-26-2019, 02:17 PM Thread Starter
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0/w16 Really?

Seams like oil is getting thinner and thinner. It's a far cry from the ole QuakerState 10/w40 days. That stuff looked like molasses. Now-a-day's, looks like I'm pouring Tea in the block. I wonder if this light weight oil is more for lowering mechanical pressure. And less about engine longevity?

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post #2 of 29 (permalink) Old 03-26-2019, 02:56 PM
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Originally Posted by PhenixFord View Post
Seams like oil is getting thinner and thinner. It's a far cry from the ole QuakerState 10/w40 days. That stuff looked like molasses. Now-a-day's, looks like I'm pouring Tea in the block. I wonder if this light weight oil is more for lowering mechanical pressure. And less about engine longevity?
I don't disagree with anything you said, and wonder sometimes if high fuel mileage hasn't out prioritized long mechanical life. That being said, knowing that key orifices (hydraulic valve lifters, valve timing mechanisms, bearing oil passages) are sized for the recommended modern thin oils, does make me hesitate to wonder outside the prescribed viscosity ranges.

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post #3 of 29 (permalink) Old 03-26-2019, 03:06 PM Thread Starter
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------ does make me hesitate to wonder outside the prescribed viscosity ranges.

With my minimal mechanical expertise, I just never thought about it like that. I did notice that 0/w20 is acceptable as long as you return to (w16) at the next oil change interval? That is the same weight used in my wifes' previous vehicle running a V6.

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post #4 of 29 (permalink) Old 03-26-2019, 03:13 PM
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0/W16 oil sure worked out good in my state of Minnesota on the day when I went to work and it was -28 below outside.
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post #5 of 29 (permalink) Old 03-26-2019, 03:16 PM
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The trend is indeed aimed at improving fuel economy, but as mentioned, the newer systems are designed around the lighter oils. VVTi is one of the main systems I would be concerned about.
However, outside of North America and away from CAFE fuel economy standards, 5w20 and 5w30 are still acceptable.

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post #6 of 29 (permalink) Old 03-26-2019, 03:38 PM
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I haven't seen the 0/W16 made by Pennzoil yet.
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post #7 of 29 (permalink) Old 03-27-2019, 10:53 AM Thread Starter
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I haven't seen the 0/W16 made by Pennzoil yet.

I haven't even looked to see what IS available. I prefer to use a Syn-Blend.

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post #8 of 29 (permalink) Old 03-27-2019, 02:49 PM
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Originally Posted by PhenixFord View Post
I haven't even looked to see what IS available. I prefer to use a Syn-Blend.
Doubt you are going to find 0w-anything in a blend, unless you consider Group-III hydrocracked mineral oil to be a blend.
Conventional oil does not have the properties required for the 0w.

It was reported a couple of weeks ago that someone saw M1 0w16 at Walmart, but currently the only 0w16 on Amazon are
Toyota @ $46.19/6qts
Zepro @ $50.59/5qt jug
Eneos @ $59.94/6qts
Ravenol @ $58.33/4L
Valvoline @ $9.99/qt

Mobil-1 does list the 0w16 on their site under the Advanced Fuel Economy blend meeting API SN/SN-Plus:
https://mobiloil.com/en/motor-oils/m...-economy#0W-16
But if you attempt to look up by vehicle, you get no returns for current Toyota models.

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post #9 of 29 (permalink) Old 03-27-2019, 02:55 PM Thread Starter
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Doubt you are going to find 0w-anything in a blend, unless you consider Group-III hydrocracked mineral oil to be a blend.
Conventional oil does not have the properties required for the 0w.

New territory for me. I'm learning.

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post #10 of 29 (permalink) Old 03-27-2019, 03:19 PM
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Doubt you are going to find 0w-anything in a blend, unless you consider Group-III hydrocracked mineral oil to be a blend.
Conventional oil does not have the properties required for the 0w.
Although this used to be the case, the technology to create a 0w-XX in a synthetic blend appears to be developing. Chevron/Texaco appears to offer this in a 0w-20 with a small dollar savings relative to a full synthetic. It happens to be a "high mileage" oil but it does appear that the processes for doing these viscosities in a blend have developed. I think its a race to see who can have the least expensive 0w-20 on the shelf.

https://amazon.com/Havoline-25464248...%2C181&sr=8-39

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