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Re: Which are true(!) PAO (Class IV) Motor Oil brands? [Re: BeamerDude] #1671171
11/14/09 05:46 PM
11/14/09 05:46 PM
Joined: Aug 2008
Posts: 146
western Colorado
dbvettez061 Offline
dbvettez061  Offline

Joined: Aug 2008
Posts: 146
western Colorado
The question of all questions, but, answers are hard to find....Guess my choice of Mobil 1 for the past 15 years has been a good one....
Even my 750+ HP Z06 likes it!!!!!!!!!!!!!!!!


2001 Z06 Forged Blown Stroked 650 RWHP 645 RWTQ
Vietnam Vet 5thSFGA
Re: Which are true(!) PAO (Class IV) Motor Oil bra [Re: ledslinger] #1671203
11/14/09 06:14 PM
11/14/09 06:14 PM
Joined: May 2003
Posts: 5,112
Airlie Beach Australia
Doug Hillary Offline
Doug Hillary  Offline

Joined: May 2003
Posts: 5,112
Airlie Beach Australia
Hi,
ledslinger - My guess would be that your question requires a matrix of questions to provide a matrix of answers. IME short term high component temperatures (beyond 130C - 150C) will be handeled comfortably by almost any lubricant - and very well by most modern Grp 3 lubricants. It is longer term very high bulk lubricant temperatures that are typically most damaging to any lubricant


Regards
Doug
Re: Which are true(!) PAO (Class IV) Motor Oil bra [Re: bmwtechguy] #1671299
11/14/09 07:52 PM
11/14/09 07:52 PM
Joined: May 2003
Posts: 9,448
USA
JohnBrowning Offline
JohnBrowning  Offline

Joined: May 2003
Posts: 9,448
USA
If you are looking for true synthetics on the retail shelf M1 0W40 is about the only one that is still nothing lower then G-IV and V base stocks including Alky Napthens which are G-V. Last I knew M1 0W40 was made from 4 different synthetic base stocks but all of them where G-IV or higher no G-III at all. I would imagine that their 0W20 is more of the same all synthetic in the truest sense.

Amsoil has products that are G-III and they have some that are PAO and some that are PAO and other high quality base stocks like ester's.

So if you want it on a retail shelf you are very very limited as in 2 products from M1....I expect that most of their other products like their EP line are made from everything from G-III on up.

In a daily driver I would not be too concerned I mean I used PP and I know it is a mut with regaurd to base stocks can you say Heinz 57??? All that really matters in a daily driver is performance so good wear numbers ,cleanliness and the ability to stay in the sump a long long time! Most OTC synthetics cannot last long they have weak staying power. This has little to do with base stock and everything to do with additive package!

If you do not mind mail ordering your oil their a lot of oils that are PAO or Ester based with no G-III in them at all!

Re: Which are true(!) PAO (Class IV) Motor Oil bra [Re: bmwtechguy] #1671305
11/14/09 07:56 PM
11/14/09 07:56 PM
Joined: May 2003
Posts: 9,448
USA
JohnBrowning Offline
JohnBrowning  Offline

Joined: May 2003
Posts: 9,448
USA
If you are looking for true synthetics on the retail shelf M1 0W40 is about the only one that is still nothing lower then G-IV and V base stocks including Alky Napthens which are G-V. Last I knew M1 0W40 was made from 4 different synthetic base stocks but all of them where G-IV or higher no G-III at all. I would imagine that their 0W20 is more of the same all synthetic in the truest sense.

Amsoil has products that are G-III and they have some that are PAO and some that are PAO and other high quality base stocks like ester's.

So if you want it on a retail shelf you are very very limited as in 2 products from M1....I expect that most of their other products like their EP line are made from everything from G-III on up.

In a daily driver I would not be too concerned I mean I used PP and I know it is a mut with regaurd to base stocks can you say Heinz 57??? All that really matters in a daily driver is performance so good wear numbers ,cleanliness and the ability to stay in the sump a long long time! Most OTC synthetics cannot last long they have weak staying power. This has little to do with base stock and everything to do with additive package!

If you do not mind mail ordering your oil their a lot of oils that are PAO or Ester based with no G-III in them at all!

Re: Which are true(!) PAO (Class IV) Motor Oil brands? [Re: BeamerDude] #5008523
02/12/19 05:26 AM
02/12/19 05:26 AM
Joined: Nov 2018
Posts: 6
San Francisco, CA
Aikido Offline
Aikido  Offline

Joined: Nov 2018
Posts: 6
San Francisco, CA
I know this is an old thread but the information may still be relevant. The Grade IV motor oils are labeled "100% Synthetic" as opposed to the "Full Synthetic" Grade III/dino based oils. That's my understanding based on the research I've done. The sellers of these products may have other tricks up their collective sleeves so I will not claim absolute certainty about my claim. I would do further research on any product that I would actually buy.

Re: Which are true(!) PAO (Class IV) Motor Oil brands? [Re: BeamerDude] #5008612
02/12/19 08:17 AM
02/12/19 08:17 AM
Joined: Jul 2005
Posts: 10,529
Maricopa, Arizona
dave1251 Offline
dave1251  Offline

Joined: Jul 2005
Posts: 10,529
Maricopa, Arizona
This thread is nearly useless groups of base oils do not matter only performance matters.


make the inside of your engine oil cap white.
don't use.
Re: Which are true(!) PAO (Class IV) Motor Oil brands? [Re: BeamerDude] #5008728
02/12/19 10:39 AM
02/12/19 10:39 AM
Joined: Aug 2008
Posts: 23,400
ON, Canada eh?
StevieC Online content
StevieC  Online Content

Joined: Aug 2008
Posts: 23,400
ON, Canada eh?
100% synthetic can still mean Group III because Group III hydrocracked oils are allowed to be called synthetic so they are essentially saying it's 100% group III or higher so that doesn't mean anything either.

Not that basestock matters. All basestocks from III and up have their advantages and disadvantages and it's picking the right one in the right weights with the right additives that make an oil perform not the basestock alone. It's not the 1970's any longer.


'18 Dodge Grand Caravan GT - 21k KM - AMSOIL SS 0w30
'06 Hyundai Santa Fe - 535k KM (Dead) - AMSOIL SS 0w30
Re: Which are true(!) PAO (Class IV) Motor Oil brands? [Re: BeamerDude] #5008735
02/12/19 10:47 AM
02/12/19 10:47 AM
Joined: Mar 2017
Posts: 7,565
...
PimTac Offline
PimTac  Offline

Joined: Mar 2017
Posts: 7,565
...
This Akido poster is new and is just resurrecting old threads.

I suspect a new fly has come in to join the others.


Cannot see signatures any longer so it doesn’t matter.
Re: Which are true(!) PAO (Class IV) Motor Oil brands? [Re: BeamerDude] #5008756
02/12/19 11:02 AM
02/12/19 11:02 AM
Joined: Aug 2014
Posts: 268
TX & ON
ofelas Online content
ofelas  Online Content

Joined: Aug 2014
Posts: 268
TX & ON
Some of us have vehicles stuck in a time warp Stevie Coffee2


91.5 W250-CTD/DZF
81 W150-318/9.75:1/pure 91/ZRT
01 Ram-408 Kenne Bell/pure 91/ATM
62 Savoy 413 MW-SS-LW/13.5:1/VP110/RD30
Re: Which are true(!) PAO (Class IV) Motor Oil brands? [Re: ofelas] #5008769
02/12/19 11:10 AM
02/12/19 11:10 AM
Joined: Aug 2008
Posts: 23,400
ON, Canada eh?
StevieC Online content
StevieC  Online Content

Joined: Aug 2008
Posts: 23,400
ON, Canada eh?
Originally Posted by ofelas
Some of us have vehicles stuck in a time warp Stevie Coffee2

Some of the members here seem to be as well... LOL (Not aimed at you)


'18 Dodge Grand Caravan GT - 21k KM - AMSOIL SS 0w30
'06 Hyundai Santa Fe - 535k KM (Dead) - AMSOIL SS 0w30
Re: Which are true(!) PAO (Class IV) Motor Oil brands? [Re: BeamerDude] #5008779
02/12/19 11:16 AM
02/12/19 11:16 AM
Joined: Feb 2011
Posts: 7,032
Hudson, NH
LeakySeals Offline
LeakySeals  Offline

Joined: Feb 2011
Posts: 7,032
Hudson, NH
How about.. Joe Gibbs LS30?


06 Escalade 6.0L LQ9 AWD 165k M1 0w40
03 Maxima 3.5L POS 152k ST HM 10w30
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