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Oil Brands: What are you running?

2966 Views 83 Replies 40 Participants Last post by  EVASIVE TRUENO
For those of you who do your own oil changes, what oil brand have you been using?

Deciding myself between Valvoline, Pennzoil, or Mobil1. It probably doesn't matter, but just curious what others favor for this platform.
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Amsoil SS 5W-30. Doing UOA then may go down to 5W-20.
Amsoil SS 5W-30. Doing UOA then may go down to 5W-20.
I agree. Amsoil is always best for Subaru engines.
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Kirkland 0w20. Will try 5w20 next oil change.
IMUO (In My Uneducated Opinion lol) the weight is more important than the brand. Anything that meets the specs is prob fine. Espec if you're not tracking it. And in that case you're prob changing the oil right before and after anyway, so it might not matter that much in any case.

I did Castrol Edge 5-20 in my DIY change at 1k miles. I might use Mobil 1 or something else next time. Prob Mobil 1 because I got a big ol jug of it in 5-20 in my garage. I'm never going back to 0-20, which as far as I'm concerned is basically a scam.

My car only has 2500 miles on it so maybe it will improve, but if my oil consumption continues at its seeming rate of about 1 to 1.4 quarts per 3000 miles, I'll prob switch to 5-30. If that slowed consumption considerably I'd accept the theoretical extra wear on start up.
Castrol magnatec. Discontinued in the USA but I bought enough to last a few years. Lol
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Idemitsu
Castrol magnatec. Discontinued in the USA but I bought enough to last a few years. Lol
What do you plan on running afterwards?
Currently looking at Pennzoil Ultra Platinum or Castrol Edge
What do you plan on running afterwards?
Currently looking at Pennzoil Ultra Platinum or Castrol Edge
Im actually about to start trying something reasonably new that has been puting down some surprisingly good test results. Havoline pro RS. Its a full synthetic that is partially plant based. Sounds dumb and like some eco friendly nonsense but from what I have seen so far it is incredibly long term stable and resistant to shearing. I am going to try it in my SHO and see how it goes. Any oil that performs well in a 3.5 ecoboost can handle anything. Those engines are notoriously hard on oil.
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Im actually about to start trying something reasonably new that has been puting down some surprisingly good test results. Havoline pro RS. Its a full synthetic that is partially plant based. Sounds dumb and like some eco friendly nonsense but from what I have seen so far it is incredibly long term stable and resistant to shearing. I am going to try it in my SHO and see how it goes. Any oil that performs well in a 3.5 ecoboost can handle anything. Those engines are notoriously hard on oil.
You do preliminary testing on your own vehicles? Sacrifice for the greater good... 😂

I'm going to assume there really isn't any difference on longevity/performance between Pennzoil Ultra Platinum and Castrol Edge?
If someone had a gun to your head right now for oils currently on the market and you had to choose "the best", what oil would you be choosing from what you know?
Buying oil for new japanese and american cars in Europe is a nightmare. I was able to find only one decently priced 5w-20 oil from Petro Canada that meets the ILSAC GF6.

Maybe visiting a physical store will give me a better chance of getting such oil because online retailers do not update the specifications?
Buying oil for new japanese and american cars in Europe is a nightmare. I was able to find only one decently priced 5w-20 oil from Petro Canada that meets the ILSAC GF6.

Maybe visiting a physical store will give me a better chance of getting such oil because online retailers do not update the specifications?
ACEA A3 or A5 is acceptable according to the owner's manual. All those oils are 30 grade or above. You should be able to find ACEA A3 or A5 easily in Europe.
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ACEA A3 or A5 is acceptable according to the owner's manual. All those oils are 30 grade or above. You should be able to find ACEA A3 or A5 easily in Europe.
View attachment 26985
interesting... No mention of ACEA specs in the EU manual for MY23 GR86

EDIT: just checked the MY22 manual and no mention of ACEA either. I know it probably isn't big deal and any modern full synthetic 5W-20 will do just fine



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interesting... No mention of ACEA specs in the EU manual for MY23 GR86

EDIT: just checked the MY22 manual and no mention of ACEA either. I know it probably isn't big deal and any modern full synthetic 5W-20 will do just fine

View attachment 26986

View attachment 26987
Looks like the Subaru and Toyota literature differ here.
Pennzoil 5w-20. cant remember if its the plat or the ultra plat
With ACEA A3/B4, I only really care about HTHS >= 3.5.
You do preliminary testing on your own vehicles? Sacrifice for the greater good... 😂

I'm going to assume there really isn't any difference on longevity/performance between Pennzoil Ultra Platinum and Castrol Edge?
If someone had a gun to your head right now for oils currently on the market and you had to choose "the best", what oil would you be choosing from what you know?
No way I do the preliminary testing on my own vehicles. I see a wide range of available products come through my company for testing and make several of the modifiers\additives in house. I also get to see some that never make it to market because quite often the genius idea of these eco friendly, or climate sustainable things just don't perform. The catch is that I only see certain oils tested in certain powertrains and its not uncommon to see 1 product perform amazing on 1 platform and not as well on another. Manufacturers all use different materials, alloys, clearances etc, that have an impact on its needs. Just like every oil has a slightly different additive pack to address those things differently. That is why UOA tests will break it down into so many categories with the wear metals and such. They are all different. But in my experience the 3.5 ecoboost is known to simply beat up most oils in a short period of time. It just so happens that I own one so now that I know my preferred product is no longer available (I stocked up on 5w20 for the BRZ but could not locate any 5w30 for the SHO) and I need to try something else the best place to start is with something I know to have impressive test results on other engines. If it performs well on my 3.5 EB I know it should be able to hold up to most things.

If threatened at gunpoint to pick 1 universal best oil for all cars (doesnt exist) Amsoil signature series. Its consistent and always good at a decent price.
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No way I do the preliminary testing on my own vehicles. I see a wide range of available products come through my company for testing and make several of the modifiers\additives in house. I also get to see some that never make it to market because quite often the genius idea of these eco friendly, or climate sustainable things just don't perform. The catch is that I only see certain oils tested in certain powertrains and its not uncommon to see 1 product perform amazing on 1 platform and not as well on another. Manufacturers all use different materials, alloys, clearances etc, that have an impact on its needs. Just like every oil has a slightly different additive pack to address those things differently. That is why UOA tests will break it down into so many categories with the wear metals and such. They are all different. But in my experience the 3.5 ecoboost is known to simply beat up most oils in a short period of time. It just so happens that I own one so now that I know my preferred product is no longer available (I stocked up on 5w20 for the BRZ but could not locate any 5w30 for the SHO) and I need to try something else the best place to start is with something I know to have impressive test results on other engines. If it performs well on my 3.5 EB I know it should be able to hold up to most things.

If threatened at gunpoint to pick 1 universal best oil for all cars (doesnt exist) Amsoil signature series. Its consistent and always good at a decent price.
Haha I know this is just a neverending debate that has no real answer. Just wanted to pick your brain since you deal with oil at a deeper than 99.9% of people
I'd recommend anyone curious about this to go watch the Project Farm oil series on Youtube. All modern synthetics basically protect to similar levels all things being equal as long as they meet the certs, but that does not mean there aren't superior oils, especially when you factor in cost. His testing isn't the end all be all, and he doesn't test all oils, but his testing did match up fairly well with UOAs/results available on BITOG and elsewhere so...
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