Originally Posted By: Androctonus
Someone did 10k miles on Mobil Super 5000 conventional???
Quote:
http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=2983752
2010 FX4 | MS5K 5W-20 SN | 5.4L | 10,020mi
04/25/13
Let me be corrected on one point. Said Ford F-150 running with MS5K 5W20 was of MY 2010, therefore had a Modular V8, naturally aspirated FI engine, was not an Ecoboost (V6 with turbo and GDI) engine.
Now if you examine the 4 UOAs of MS5K 5W20 (that engine definitely needs to run with 5W20 and 5W30 grades), the BITGOer did one normal service OCI of 10K miles. It was not exactly a successful one in one sense, because the TAN exceeded TBN by more than a small fraction, but then again, there are at least to my awareness two different industry standard methods of estimating/measuring TBN, the one yielding a higher number than the other, and besides, TBN vs. TAN is not the end all be all, because of other key UOA factors like oil oxidation. Wear metals wise, the 4 UOAs were altogether a success. The way I personally interpret them, and therefore this is my opinion: if consistently used, MS5K 5W20 for a big, modern naturally aspirated V8 (with a large oil sump capacity, around 6.5 qt) can be utilized for more than 7K, if under normal service. Your Hyundai turboed GDI engine should IMO be able to easily handle a 4.5K to 5K OCI, if utilizing either 5W30 or 10W30 of MS5K.
Two of the most knowledgeable BITGOers in the lubrication field are Molakule and Solarent. They're professionals. Well, Molakule drives in a much colder weather area than you, and not long ago he posted here that his car runs with 10W30, I think he also said it was conventional, but that part I don't remember clearly. I do clearly remember the 10W30 part. For now, if you run 100% 5W30, no problem, but sooner or later you'll learn that either a blend of 5W30 and 10W30 or 100% 10W30 is more friendly to your engine. This is true whether an engine is carbed or naturally aspirated FI or turbo or GDI or turboed GDI, but especially true for turbos and GDIs, because those are harder on the engine oils. 5W30 was developed to replace 10W30 for CAFE purposes. 5W20 was wide scale introduced for the same same reason, to basically replace 5W30. Yes, with thinner oil as many claim, there is a boost in performance, and I experienced this myself the very last and final time I ran 100% 5W30 (I went as high as 90 MPH, and as I remember it, it felt rather effortless), but it's a less stable viscosity grade, and long term it protects the engine less. 5W30 is for CAFE, and for new vehicles, and for operation in extremely cold weather. V8 Ford Modulars need either 5W20 or 5W30 all the time, for all intents and purposes require that thinner grade, because of the engine design, therefore they really do need quality syn blends (advanced dinos) or Group III synthetics (glorified dinos) or real synthetics like Pennzoil Ultra, AMS Oil, Schaeffers, precisely because 5W20 and 5W30 are weaker grades (although 5W20 is more stable than 5W30) and therefore for long term use, it is preferable to have very high quality base oil. And besides, V8s typically are not high reving.
MS5K 5W30 and TGMO Toyota Genuine Motor Oil conventional 5W30 both are produced by XOM; these two are nearly identical, although Toyota 5W30 has a slightly higher starting TBN.
Mobil 1 0W20 AFE and TGMO 0W20 both are produced by XOM; however, one notable difference, M1 0W20 AFE carries Mg detergents, but TGMO 0W20 customized version does not. Both are very high quality real synthetics, but BITOG World regards the TGMO customized version higher than the M1 version. Mg is said to retard the depletion of TBN, more effectively, but Mg is also said to be not as effective as Ca in cleaning ability.
Likewise, Hyundai/Kia have a special relationship with Quaker State.
