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Thin 0w20? #5376558 03/14/20 11:49 PM
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wolf_06 Offline OP
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The tendency for thin oils like 0w20, 0w16, 0w12 and 0w8 (which I dont think is even on the market) is more common now.

My Mazda 3 specs for 0w20.

Most 0w20 viscosity is around 8.6 at 100 degrees.

Is there any thinner 0w20? closer to a 0w16? Im curious about it.

Thanks!


2018 Mazda 3 GS 2.0 Skyactiv 6AT
Petro Canada Full Syn 0w20 + OEM filter
Re: Thin 0w20? [Re: wolf_06] #5376570 03/15/20 12:31 AM
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Mitsu4B11 Offline
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Idemitsu's dexos1 ZEPRO 0W-20 comes in at 7.91cSt @ 100, which is one of the lower 20wts that comes to mind, which correct me if I'm wrong, could technically be considered a 16wt (based solely on KV) since the SAE requirements has a 16wt between 6.1 to <8.2 while 20wt is between 6.9 to <9.3.

Last edited by Mitsu4B11; 03/15/20 12:32 AM. Reason: clarification

'15 Mitsubishi Lancer 2.0L (4B11) // Pennzoil Platinum 0W-20
Re: Thin 0w20? [Re: wolf_06] #5376603 03/15/20 02:37 AM
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OilUzer Offline
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you would think it should not take too long for a 0W20 and some fuel dilution to be close to a 0W16 or a thinner 0W20.

Re: Thin 0w20? [Re: wolf_06] #5376642 03/15/20 05:47 AM
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52pu Offline
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Amsoil will be coming out with a 0w16 soon.

Re: Thin 0w20? [Re: 52pu] #5376644 03/15/20 05:57 AM
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PimTac Offline
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It’s about time. Everyone else has been making it for a while now.


2017 Mazda CX5
Valvoline Advanced Synthetic 0w20
Roki OEM filter.
Re: Thin 0w20? [Re: wolf_06] #5376660 03/15/20 06:32 AM
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Olas Offline
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Originally Posted by wolf_06
The tendency for thin oils like 0w20, 0w16, 0w12 and 0w8 (which I dont think is even on the market) is more common now.

My Mazda 3 specs for 0w20.

Most 0w20 viscosity is around 8.6 at 100 degrees.

Is there any thinner 0w20? closer to a 0w16? Im curious about it.

Thanks!



CORRECTION:

0w8 is ALREADY on the market

Motul;
https://www.ebay.co.uk/p/24036300274?iid=202816678216&chn=ps&norover=1&mkevt=1&mkrid=710-134428-41853-0&mkcid=2&itemid=202816678216&targetid=876856823489&device=c&mktype=pla&googleloc=9046645&poi=&campaignid=9437834768&mkgroupid=95351417669&rlsatarget=aud-381667280803:pla-876856823489&abcId=1140486&merchantid=6995734&gclid=EAIaIQobChMIqP6g37Cc6AIVBLTtCh3knwiiEAQYASABEgKxZfD_BwE


Royal Purple;
https://www.ebay.co.uk/p/755804611?iid=133133884874&chn=ps&norover=1&mkevt=1&mkrid=710-134428-41853-0&mkcid=2&itemid=133133884874&targetid=876739461293&device=c&mktype=pla&googleloc=9046645&poi=&campaignid=9437781746&mkgroupid=96108861576&rlsatarget=aud-381667280803:pla-876739461293&abcId=578896&merchantid=109943728&gclid=EAIaIQobChMIu_C5-7Cc6AIVSLTtCh2P4QqaEAQYAiABEgKr0vD_BwE


Honda own brand;
https://global.rakuten.com/en/store/indies-mc/item/ultra-next-20/

Last edited by Olas; 03/15/20 06:35 AM.

Cable ties should hold it
Re: Thin 0w20? [Re: wolf_06] #5376677 03/15/20 07:05 AM
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Gokhan Online Content
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Originally Posted by wolf_06
The tendency for thin oils like 0w20, 0w16, 0w12 and 0w8 (which I dont think is even on the market) is more common now.

My Mazda 3 specs for 0w20.

Most 0w20 viscosity is around 8.6 at 100 degrees.

Is there any thinner 0w20? closer to a 0w16? Im curious about it.

Thanks!

While it might sound contrary to common sense, for a given HTHS, the higher the KV100, the thinner the oil is. Therefore, for a given HTHS, if you're looking for a thicker oil, choose the oil with the lowest KV100.

Why? This is because for a given HTHS, the higher the KV100, the more the VII content is, which means the thinner the base oil is. As a result the viscosity index will be higher and the HTHS at lower temperatures (lower than 150 °C) will be lower. Moreover, there will be more VII shear, and the HTHS will be lower at higher shear rates (higher than 1,000,000 1/second), like in the valvetrain.

Again, if you want a "thick" 0W-20, look for one with the lowest KV100 and highest HTHS, not for one with a high KV100.

An example is TGMO 0W-20. While it has KV100 ~ 9 cSt, it's the thinnest 0W-20 out there due to its very high VII content. The high VII content raises the KV100, but what matters is the dynamic viscosity under shear, which will be lower under more conditions thanks to the high VII content.


2020 Toyota Prius Prime XLE plug-in hybrid, 2ZR-FXE engine, ~ 70 mpg on gas, ~ 5,000 mi
TGMO 0W-16 SN/RC Japan
OEM spin-on oil filter Japan
Re: Thin 0w20? [Re: wolf_06] #5376684 03/15/20 07:17 AM
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Olas Offline
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If you want a thin 20, would you consider a thick sae16? one stops where the next one begins

Last edited by Olas; 03/15/20 07:21 AM.

Cable ties should hold it
Re: Thin 0w20? [Re: wolf_06] #5376694 03/15/20 07:28 AM
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OilUzer Offline
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I recall the days that the high vi tgmo 0W20 was the oil from the heavens ...

Re: Thin 0w20? [Re: OilUzer] #5376698 03/15/20 07:35 AM
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Gokhan Online Content
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Originally Posted by OilUzer
I recall the days that the high vi tgmo 0W20 was the oil from the heavens ...

For the best fuel economy, it's still the oil from Heaven, as it has an ultra-high viscosity index. However, the OP is not asking which 0W-20 has the best fuel economy -- he is asking which 0W-20 is the thickest.


2020 Toyota Prius Prime XLE plug-in hybrid, 2ZR-FXE engine, ~ 70 mpg on gas, ~ 5,000 mi
TGMO 0W-16 SN/RC Japan
OEM spin-on oil filter Japan
Re: Thin 0w20? [Re: wolf_06] #5376713 03/15/20 07:54 AM
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Randy_R Offline
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Thinner not thicker


2018 Mazda CX-5 6600 miles Zepro advanced moly 0W-20 Mazda filter
08 Saturn VUE AWD 3.5 V6 65,000 miles Schaeffer 9000 5W30 Wix 51522XP
65 Pontiac Tempest 355 Chevy Schaeffer Racing 10W30 K&N
Re: Thin 0w20? [Re: Olas] #5376714 03/15/20 07:55 AM
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OilUzer Offline
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Originally Posted by Olas
If you want a thin 20, would you consider a thick sae16? one stops where the next one begins


Good point! I did the reverse:

I have a 0W20 (om spec) car ...
Decided to use a thicker 0W20 (as oppose to a thinner 0W20).
Applied your logic (in the other direction) and decided to try a thin 0W30 instead.
Later I figured i should not worry about thick vs. thin W30's.
Finally settled with W30's with "healthier" hths.
I guess I could have easily gone the 0W16 route ...

Re: Thin 0w20? [Re: wolf_06] #5376748 03/15/20 08:37 AM
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Subaru 0w20 ( Idemitsu) has a low KV100. But its noisy when hot in the engine. Real noisy.

The Motul 508 in the VW has a low KV100 and a low HTHS.

It too was too noisy and caused poor performance.

If you are driving at 1200 - 1700 rpm max and light throttle this might be adequate.

But who does that?

Also The engine was eating this light 0W20 stuff, so I added a 1/2 litre of M1 0W40 porsche juice - that I was going to run in my generator last winter

All is better, for now.


2019 VW Jetta S 6MT OCI#2 7378mi-MOTUL Specific VW508.00+VW Service Filter; '17 Subaru Crosstrek CVT OC#8 60864mi-Subaru Idemitsu 0W20 + SOA Filter
Re: Thin 0w20? [Re: wolf_06] #5376796 03/15/20 09:36 AM
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Marco620 Offline
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Side note that I think Castrol Magnatec and Redline 0w20 are probably the thickest 0w20 oils available.


15' Civic 1.8 i-vtec 319,500 mi M1 0w30 & LG Biotech,Castrol CVT Fluid,GUMOUT/ PEA
Doberman Whisperer! HondaGuru.
E pluribus unum.

Re: Thin 0w20? [Re: Marco620] #5376802 03/15/20 09:41 AM
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Triple_Se7en Offline
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Somebody here at BITOG (maybe Gokhan) showed a chart a week ago that broke-down all kinds of measurement numbers in different viscosities - with different oils. I thought I saved the link, but can't seem to find it. That chart showed the viscosity numbers for numerous oils in different weights.

Hopefully whoever provided that chart will read this thread.


Keep Your Pistons, Valves & Injectors Clean

19 Hyundai Santa Fe 2.4 GDI
20 Kia Soul XLine 2.0 MPI - both Pennzoil Ultra Plat. 5W30 / AC Delco PF1127 Ecores
04 Chev Colorado Napa Syn 0w20 & K&N



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