[W126 Coupe] don't use high mileage oils

[Steve Nervig]

Schaeffer Oil contains moly, and it is very good stuff.
<http://www.schaefferoil.com/>

I use #700 Supreme 7000 15W-40 which I get from List member Gary 
Dempsey. Schaeffer oil is very well respected by those who know oils.

Steve

On Jan 26, 2005, at 10:13 PM, Gary wrote:

> where can i get this molycoat stuff.   it seems i just caught the tail 
> end of this oil discussion.
>
> jralex at ix.netcom.com wrote:
>  Yes Ronny. I consider molybdenum disulfide(moly) to be the best 
> additive for extreme pressure, lubricity, antiwear and high temp 
> applications. As the story goes during WW2 Germany found that by 
> adding moly to  the oil that even plane engines that lost all oil due 
> to anti-aircraft shelling made it back to base still running. They are 
> credited with being the first to use synthetic lubricants being 
> developed due to petro shortage and to get across the Russian Winter. 
> I think they were di-esters which were used here especially in air 
> compressors but have a seal incompatability thus giving synthetics as 
> a whole a bad name in the early days. Diesters accept additive 
> packages very well whereas PAO's do not so a good way to get the 
> package into PAO is first into diester then into PAO. Jim Alex
>
>
> -----Original Message-----
> From: Ronny Geenen
>  Sent: Jan 26, 2005 12:17 PM
>  To: jralex at ix.netcom.com, Mercedes Coupes Mailing Lists
>  Subject: Re: [W126 Coupe] don't use high mileage oils
>
>
>  Jim,
>  
> Thank for the clear explanation.
> I let my mechanic use a German syn., that he mainly use for Porsche.
> I also add Molykote Liquid, which I have added to all my cars since 
> the 1970.
> I have learned to appreciate Moly products since I was a ship engineer 
> in the Dutch Merchant Marine sailing on oil tankers.
> Do you have any experience with Molykote Liquid and what is your 
> opinion?
>  
> Best regards,
>  
> Ronny 
> ----- Original Message -----
>  From: jralex at ix.netcom.com
> To: Mercedes Coupes Mailing Lists
> Sent: Wednesday, January 26, 2005 12:59 AM
> Subject: Re: [W126 Coupe] don't use high mileage oils
>
> The oil numbers refer to viscosites. 15W 50 means that the oil behaves 
> like a 15 weight when cold and a polymer pulls in the characteristics 
> of a 50 weight when engine gets hot. So, 0W 40 is actually a straight 
> SAE 40wt. without winter characteristics. Actually the 15W50 is better 
> for winter but of all the superior qualities of a sysnthetic which is 
> polyalphaolefin with a kiss of polyolester and diester. The later two 
> are used to get the addditive package into the matrix and are 
> nonlinear. PAO is linear and therefore able to mix with any mineral 
> based oils left in the system. The quality of a syn. to not get thick 
> over night which make petro based flow slowly on initial start up on a 
> cold morning is enough reason to use it. Most wear occurs as a 
> condition known as 'boundary condition' i.e., tne oil is not present 
> as opposed to full film or 'elastohydrodynamic lubrication'. For the 
> same reason you guys kill the coil after oil change synthetics get to 
> the moving parts faster. Satish put a syn. and a dino quart in his 
> freezer overnight and pored each into a paper cup. After observing the 
> flow rate differance He said it was no contest. That without question 
> He would  use Syn. especially winter in Detroit. Syn. is 30 times less 
> volitile that dino meaning the syn does not evaporate leaving sludge 
> components. It is far more resistant  to oxydation and chemical 
> attack. Need I say more! Major oil companies are always looking for 
> another category other than 'Me Too' so as to capture market share for 
> profit. All majors have synthetics but fought it for years. Castrol 
> started using a Group IV highly refined petroleum base stock calling 
> it synthetic argueing that the process qualified it as synthetic. 
> Mobile took them to court and the decision favored Castrol! The 
> industry is in an uproar over this court crap. It is deceitful in that 
> all know that synthetics have always meant PAO!! Enough! Richard, by 
> the way if you go to Mobile 1, a good choice, and extend your drain 
> intervals to 3 or 4 times as long at least DO change your oil fiter 
> every 3K and add a little for filter loss. I have run out of typing 
> ink. Later, Jim Alexander