(quoted from post at 18:46:08 03/14/17) Your answers are thinning out, no answers on the oil archives cause I nailed ya
on it. .
Ah yes - you really nailed me - memory like an elephant he has.
Let see - [color=red:84994694ee]what was I saying two years ago[/color:84994694ee]?
TheOldHokie 08-25-2015 15:48:35
Re: Never havta change oil again? in reply to Popgun,
[i:84994694ee][b:84994694ee]In general you can get 10K [/b:84994694ee]or more off a top quality synthetic BUT every OEM I know of says change after 12 months if you don't get the mileage. Oil collects a lot of undesirable "additives" just sitting in the crankcase.
[/i:84994694ee]
Or maybe you are thinking of something I said [color=red:84994694ee]4 years ago[/color:84994694ee]?
TheOldHokie 10-24-2013 05:55:25
Re: 8n Low Oil Presure Help Me Understand?
[i:84994694ee]
All of that changed with the development of very high VI conventional and synthetic base oils along with extensive polymer research, development, and testing (like that injector test) resulting in more shear stable VI enhancing additives. As a result modern multi-grades formulated with newer technology are vastly more shear resistant. But like any grade of engine oil modern multi-grade oils still shear - just a lot slower than the did previously.[b:84994694ee] Service life on a modern SAE 0W40 oil can easily exceed 10K miles[/b:84994694ee].[/i:84994694ee]
Maybe that was [color=red:84994694ee]5 years ago[/color:84994694ee]
TheOldHokie 05-01-2012 09:33:24
Re: Shell Rotella T, 15W/40 OK in an 8n??
[i:84994694ee]So here we are today. [b:84994694ee]You can get a premium conventional SAE 5W30 or 10W40 that has a service life in the neighborhood of 5K miles for about $3/qt. or you can get a full synthetic SAE 0W40 or 5W40 with a service life close to 10K miles for $8/qt.[/b:84994694ee] Mercedes says use 0W40 because it provides excellent wear protection, it is squeaky clean, their customers have deep pockets, [b:84994694ee]service interval is 10K miles[/b:84994694ee], and it works year round in dam near any region of the world. Ford/GM/Chrysler say use SAE 5W30 because it works almost as good, costs a good bit less, and their dealers get to charge you big bucks to change it and a filter every 5K miles.
[/i:84994694ee]
Or maybe once again WW2N can't handle complex thinking and has things all scrambled in his tin foil hat brain :twisted:
TOH