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03-13-2015, 09:02 AM | #903 | |
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Funny, because it seems like a lot of the guys who seem to overthink it are mixing mobil 0w-40 and castrol 10w-60, etc. I doubt topping off with a different brand makes a big difference, but several folks are mixing 50/50 which seems counter-intuitive. |
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03-13-2015, 10:09 AM | #904 | |
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Like I said, it is not going to hurt the engine it just doesn't accomplish what you think you are accomplishing
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03-13-2015, 11:34 AM | #905 | |
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03-13-2015, 12:33 PM | #906 |
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Correct
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03-13-2015, 02:46 PM | #907 | ||
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The additives literally don't work when they're mixed together? The additives don't work as well when mixed together? The additives work, but each only half as much? Or something else? Thanks |
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03-13-2015, 10:35 PM | #908 | |
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03-13-2015, 10:50 PM | #909 |
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They work just as each was intended, they just never really chemically mix.
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03-13-2015, 10:52 PM | #910 |
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They will separate back out of suspension the longer the car sits. That is correct, for a true blend they must be mixed at the factory
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03-13-2015, 11:54 PM | #911 | |
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Chemicals are chemicals no matter where they are. Lots of these additives are just elements like zinc, moly, etc. It doesn't matter where they are added to the oil for them to work. While I don't disagree on the foundation that mixing oil brands is not a great idea; if you drain and refill with a different brand of oil, you will mix brands a bit b/c of the oil left in the oil cooler. However, after the next change you'll be in good shape. It's been done for ages across many different brands of oil and many different vehicles. This isn't like mixing DOT5 and DOT4 brake fluid (which is a colossal f'up!).
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03-14-2015, 01:23 AM | #912 |
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The only reason I am currently mixing TWS and M1 is simply b/c I have an extra bottle of TWS left, and it is used as a top off bottle.
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03-14-2015, 03:15 AM | #913 | |
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I have Liquimoly, Redline and TWS all used for topping off... If it was really a big deal, I'd have quite a mix of oils! lol
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03-14-2015, 12:06 PM | #914 |
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yeah, I hear ya. Also topping off is simply adding oil when it is needed.
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03-14-2015, 02:17 PM | #915 | |
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Every additive doesn't necessarily chemically bond with or dissolve into the oil. Otherwise, metal shavings that accumulate on a magnetic plug, for example, would never accumulate because the shavings would simply dissolve into the oil and form a new solution. Sure the chemicals might be pumping around, but if they aren't dissolving into the oil they will not have the same effect on the oil as it would if it was chemically formed that way from the factory. |
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03-14-2015, 07:51 PM | #916 | |
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The only layered drink I've ordered is a black and tan. Density! How does it work? Besides, how's that layered drink stand up to a crankshaft splashing through it 8000 times/minute? I don't think it is still layered at that point, but I'll let others do the experiment (please video -- and wear goggles).
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03-15-2015, 04:43 PM | #917 | |
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Rebate: https://apfco.net/secure/R8235W/Content/OfferForm.pdf M1 0W40 at WallyWorld: http://www.walmart.com/ip/Mobil-1-0W...5-qt./23636902 M1 15W50: http://www.walmart.com/ip/Mobil-1-15...5-qt./20713647 .
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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03-15-2015, 05:42 PM | #918 |
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Gc 0w40 is LL01 approved. Says it on the bottle
TWS, amusingly, isn't! (Because one of the requirements is weight)
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03-15-2015, 05:43 PM | #919 |
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To me, mixing oils implies I know more than the chemical engineers.
I know I don't :P
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03-15-2015, 10:05 PM | #920 | |
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For the record, I have no interest in mixing oils at home, except for the small amounts left over when doing a full change.
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03-16-2015, 12:22 PM | #921 |
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Hey guys new to the forum! Anyways I just purchased a 09 E90 and the first order of business is an oil change. I've been a huge believer in AMSOIL in the past, they currently carry a LL-01 approved 5w-40 full saps European synthetic. You can find it here http://www.amsoil.com/shop/by-produc...?code=EFMQT-EA
My question is, do you guys think this would provide adequate lubrication vs M1 0w-40? The specs appear to be better however you can't always trust specs from the company sponsored web page. |
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03-16-2015, 01:54 PM | #922 |
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Amsoil is formulated to meet or exceed BMW LL-01, but it's not certified. The specs are also inferior if you compare VI and HTHS.
At $8.35/qt I really don't know why anyone would choose Amsoil? |
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03-16-2015, 02:48 PM | #923 |
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03-16-2015, 08:00 PM | #924 |
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Last 3 is Mobil1 0W40. I forgot to mention that I did run a tank of Techron before this oil change. Don't know if that does anything or not:
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