Mobil1 0w-40
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I thought it was not possible to have a 100% pure PAO oil (because of seal swell) ? Surely there must be something else in the additive package ?
Alkylated Napthalene.
See:
http://www.sriracharefinery.com/Corporate/Newsroom/Newsreleases/xom_nr_280403.asp
See:
http://www.sriracharefinery.com/Corporate/Newsroom/Newsreleases/xom_nr_280403.asp
Nothing. The presence of esters is not a litmus test for quality of an oil. The UOAs we've seen on this stuff, including 20k miles on a Porsche Cayenne, show that it does pretty well where it really counts -- in customers' engines. The answer is simple: the Mobil engineers have found an outstanding formulation that happens to be built off a PAO/AN foundation. I don't see a problem at all. It's not as if they're hydrocracking the stuff and passing it off as "full synthetic". . .
It has never stopped being good stuff!? Because there has been an obvious trend toward consolidation, it would not be a surprise to me how many other vendors buy Mobil One base stock and/or additve components/packages. The identity of those customers might be one of the real secrets that has been really kept secret.
Hydrocracked synthetic (PAO III) has a BIG producer in Chevron(Texaco). Again this is not to say that they do or do not supply other vendors with base stock and/or additve components/packages.
So is Mobil One the best? NO!!
Objectively I would hazard a "one of the best" guess! I have used various Mobil One products (5-10w30, 0w20, Delvac One 5w40, aka Truck & Suv) for over 694,000 miles with 15,000 mile OCI's. I like it because:
1. wide OTC availablity
2. better price point than some of the more pricey and exotic and/or designer brews!
3. It also periodically goes on sale.
[ February 08, 2005, 01:17 PM: Message edited by: ruking77 ]
Hydrocracked synthetic (PAO III) has a BIG producer in Chevron(Texaco). Again this is not to say that they do or do not supply other vendors with base stock and/or additve components/packages.
So is Mobil One the best? NO!!
Objectively I would hazard a "one of the best" guess! I have used various Mobil One products (5-10w30, 0w20, Delvac One 5w40, aka Truck & Suv) for over 694,000 miles with 15,000 mile OCI's. I like it because:
1. wide OTC availablity
2. better price point than some of the more pricey and exotic and/or designer brews!
3. It also periodically goes on sale.
[ February 08, 2005, 01:17 PM: Message edited by: ruking77 ]
Mobil 1 has always been 100% synthetic (meaning all group 4 or 5 base oils). Rotella T Synthetic is group 3, like castrol, and so is Valvoline synthetic. Even after they lost the suit with Castrol, Mobil 1 stayed 100% synthetic.quote:
Originally posted by tukeanu:
Well I have a question then. Having done oil research elsewere prior to finding this site, others have badmouthed Mobil 1 because it is no longer 100% synthetic. I'm sure this has been discussed here ad nausium but I'm new so bear with me. I heard that Mobil 1 was the best stuff out there. Then along came Castrol (I think) and was advertising their synthetic blend product as "synthetic oil". Mobil took them to court, lost and then altered their formula to lower costs and make more $$$$$. Other oil researchers with whom I have been in contact with no longer even consider Mobil 1 when chosing synthetic products. Some of the 100% synthetics recommended were Delvac 1, Rotella T, Valvoline SynPower, Amsoil and a few others. I haven't even seen Valvoline SynPower mentioned on this site. Is this old info? Is Mobil 1 good stuff again?
Dear Mr. Minou,
Thank you for visiting Shell Canada's web site.
In response to your inquiry, our technical department has advised me that Rotella T SB 0W40 is PAO based and a group IV .
I hope this answers your question. Should you require further information, please contact our technical department at 1-800-661-1771 option 2.
Regards,
Tara Anderson
Customer Service Representative /
Centre de service à la clientèle
Shell Canada Ltd / Produits Shell Canada
Bonjour,
I have this question concerning Shell's Rotella T SB 0W-40 oil.
Is the Rotella T SB 0W-40 is a polyalphaolefin (PAO), a Group III, or something else?
Thanks
Thank you for visiting Shell Canada's web site.
In response to your inquiry, our technical department has advised me that Rotella T SB 0W40 is PAO based and a group IV .
I hope this answers your question. Should you require further information, please contact our technical department at 1-800-661-1771 option 2.
Regards,
Tara Anderson
Customer Service Representative /
Centre de service à la clientèle
Shell Canada Ltd / Produits Shell Canada
Bonjour,
I have this question concerning Shell's Rotella T SB 0W-40 oil.
Is the Rotella T SB 0W-40 is a polyalphaolefin (PAO), a Group III, or something else?
Thanks
Well I have a question then. Having done oil research elsewere prior to finding this site, others have badmouthed Mobil 1 because it is no longer 100% synthetic. I'm sure this has been discussed here ad nausium but I'm new so bear with me. I heard that Mobil 1 was the best stuff out there. Then along came Castrol (I think) and was advertising their synthetic blend product as "synthetic oil". Mobil took them to court, lost and then altered their formula to lower costs and make more $$$$$. Other oil researchers with whom I have been in contact with no longer even consider Mobil 1 when chosing synthetic products. Some of the 100% synthetics recommended were Delvac 1, Rotella T, Valvoline SynPower, Amsoil and a few others. I haven't even seen Valvoline SynPower mentioned on this site. Is this old info? Is Mobil 1 good stuff again?
With the advent of Mobil 1 and their AN (alykalated napthalene sp?
)formulation I'd be surprised to find much of a diff in wear numbers. Esters would give you a a godd edge in cold pumpability though. I'v enoticed that oils with AN lose a few points in pour point.
Alkylated Napthalene - sp is for "spelling" - is in the group of "other" synthetic base oils.
0W viscosity oils are very difficult with dino base oils and are usually PAO or in some cases, very high VI index & quality, Grp III base oils.
Keep in mind that the question was in regards to 0W-40 & the answer does not indicate that all viscosity grades of Shell Canada Rotella include PAO.
0W viscosity oils are very difficult with dino base oils and are usually PAO or in some cases, very high VI index & quality, Grp III base oils.
Your facts are wrong on so many levels it is funny:quote:
Originally posted by tukeanu:
Well I have a question then. Having done oil research elsewere prior to finding this site, others have badmouthed Mobil 1 because it is no longer 100% synthetic. I'm sure this has been discussed here ad nausium but I'm new so bear with me. I heard that Mobil 1 was the best stuff out there. Then along came Castrol (I think) and was advertising their synthetic blend product as "synthetic oil". Mobil took them to court, lost and then altered their formula to lower costs and make more $$$$$. Other oil researchers with whom I have been in contact with no longer even consider Mobil 1 when chosing synthetic products. Some of the 100% synthetics recommended were Delvac 1, Rotella T, Valvoline SynPower, Amsoil and a few others. I haven't even seen Valvoline SynPower mentioned on this site. Is this old info? Is Mobil 1 good stuff again?
1) Castrol Syntec started as a Group IV PAO Synthetic and after several years Castrol reformulated it into a Group III Hydrocracked oil which is cheaper to produce.
2) Mobil filed an arbitration with the NAD division of the Better business bureau alleging that to continue to call the cheaper group III oil synthetic was misleading (as well as prohibited in Europe where group III is not considered a sythetic oil). The NAD found the Castrol adds were not misleading (search for the car & driver article that discusses this issue extensively).
3) Mobil continued to and does today, produce only group IV PAO oils as the base oil for Mobil 1. They only use the cheaper group III basestock in their blend and "mineral" oils.
4) Your other so called experts are recommending that you use oils that are Group III based like the Castrol. Perhaps they should spend a little time educating themselves.
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