What next, we use helium superfluid as a lubricant all for them empeegees? 0w0 when?
>le oil specifications... have le changed!!! this is BAD!
>>28113033>0w0 when?So just SAE 0
>>28113041Conveniently only changed for the American market due to their asinine CAFE rules?
>>281130330w-20 works fine.
>>28113041
>>28113089kek
Basically, these oils are damn near a straight 15w full synthetic. You should be able to run a high quality straight 15 and notice no difference. I saw someone joke about it on BITOG and fuck, if that don't make sense.
>>28113072Why is thick oil preferable?
>>28113319better resists shear. last thing you want is oil that can't maintain a coat of protection between moving parts and especially under heavy load, resulting in metal-on-metal contact
>>28113319also, you don't something insanely thick because then that'll increase drag and decrease efficiency. you want a balance between efficiency and protection. even fairly old engines can benefit from 5w-30 but it also depends on how cared for the engine was, often people say that older engines need thicker oil but it can be a bit of a boomer meme. got some raised eyebrows at work when i told them i just use 5w-30 in an 80s engine. never had any problems and it had a noticeably lower idle speed than when it had 5w40.
>>28113074As fucking what? Coolant? It's hilarious how you delusional fanboys think these vehicles will be reliable in the future.
>>28113401Is there a real study showing the MPG difference between oil weights?
>>28113089nice
>>28113412They've been using 0w20 in the Prius since 1997 and those are some of the most reliable cars on the road
>>28113072>only changed for the American marketThat's not true at all. 2024 Toyota's are all recommended to use 0W-16 EU & NA. The only difference in the manual is that the EU one shows the temperature ranges of other oils and reminds you that using a thicker one in extreme cold will fuck your engine. Newer 2025 Toyota's are almost all 0W-8 now. Pic related is EU manual for a 2025 camry
>>28113548i took my gr86 to the dealer for an oil change and i think they put 0w-16 in it. that's what the invoice says. how fucked am i?
>>28113033>0w0
>>28113414ffs, the ones i see are locked behind paywalls.https://www.sae.org/publications/technical-papers/content/2009-01-2856/from what i can find, going from 15w-40 to 10w-30 can "save as much as 1 percent" on fuel economy" which, on a vehicle that gets 40 mpg/2.5 us gal per 100 miles, translates to an extra 0.4 mpg/2.252 us gal per 100 miles.
>>28113566UwU oil when
>>28113578incredible…
>>28113555Bring it back and talk to them about it now before something happens. You have the documentation, just check your manual for the recommended weight. Show them both so they cannot refute it without bullshitting.
>>28113620yep. so depending on whom you talk to>every last bit of mileage is good>nah not worth the engine shitting itself earlier
>>28113555GR 86 is supposed to have 0W-20, or 5W-20 if you can't get it as stated in the manual (US & EU). Just do the change yourself, 0W-20 isn't hard to come by.
>>28113805>>28113578>>28113620It's impressive how retards with cars from the 90s think you must use a thick oil still. Toyota's recommendation to use thinner oil isn't new. 0w-16 has been round for almost a decade now and used in Toyota's and Honda's. There would be hard evidence for engine failures by now if that was an issue. Instead the only engine issues from Toyota are brand new Tacoma's & GRs being dogshit because of other reasons completely unrelated.
>>28114000>toyota used to be mostbreloable car brand>start using thinner weight oils >GR engines explode due to oiling issue>tacoma engines explode due to oiling issue>tundra engines explode and recalled due to oiling issue>completely unrelated tho
>>28114000>new thing = gooder!!!!anyone who isn't mentally retarded scoffs at the idea of changing things to chase """"1%""""" gains in efficiency which likely disappear in real world testing i.e., outside of engineering laboratories.
>>28113033I just put 0w20 in my wife's 22 corolla. The manual says >if SAE 0W-16 is not available, 0W-20 oil may be used. However, it must be replaced with SAE 0W-16 at the next oil change. I don't care though, it's fine according to UOA. The only reason for this statement is a legal requirement for the fuel economy standard. There is no mechanical reason that small change in viscosity would be a problem.
>>28114036inb4 California starts roadside oil viscosity inspection
>>28113785took it back i watched them change the oil and oil filter again. they all insisted that they were putting 0w-20 in it, but there was no markings on the pump hose to indicate that. i guess the whole dealership is in on the lie.also, i saw one tech add washer fluid and right after with the same hose he added coolant. i stopped them and asked what that was about and they said that the hose has a switch on it that changes between washer fluid and coolant. sounds like total bullshit.oh and my coolant level is absurdly high now. and it's probably full of washer fluid. pic related.
>>28113989>Just do the change yourself, 0W-20 isn't hard to come by.i used to help my dad do oil changes as a kid. i could easily do it i just need the tools. but you know what? why bother?you can change your own oil, but then what about other service like differential fluid or whatever. eventually you have to take it to a dealer or mechanic and they will fuck something up. at that point it won't matter how well you changed the oil. doesn't anyone like cars anymore? doesn't anyone want to treat cars well?
>>28113414Don't forget that lower oil weight increases horsepower. Before all this zero weight and before Amsoil was available on the Internet, thinning out your oil with kersosine for those extra few ponies was absolutely a thing.
>>28113532Not their transmissions. Absolute junk that requires trans fluid changes with every oil change.
>>28115467>Don't forget that lower oil weight increases horsepower.Sure but that comes at a cost. Running the bare minimum of engine oil in the pan also frees up HP as well but also at a cost.
>>28114245Your dad didn't show you how to change diff fluid?
>>28115469Good thing they don't run 0W20 engine oil in their fucking transmissions, then
>0w8>20,000 mile intervals>high strung turbos in everythingimagine the used car market in 10 years it's going to be absolutely direeven if some autist changed the oil at the proper interval from new the engine will still be fucked
