Mine is a combination, I've got a Topsider that I hook my vacuum cleaner to had 
to make an adapter out of a soda can.
I probably won't use it the next time I change oil in the Golf, I put a 
magnetic drain plug in and I want to see what its caught if anything. Want to 
change the transmission oil while I'm down there so the belly pan has to come 
off anyway.
-Curt

      From: Larry T via Mercedes <mercedes@okiebenz.com>
 To: Floyd Thursby via Mercedes <mercedes@okiebenz.com> 
Cc: Larry T <l02tur...@comcast.net>
 Sent: Monday, September 19, 2016 1:16 PM
 Subject: Re: [MBZ] Q for Larry
   
Is that a store bought or a home built pumping system? 
Thx 
LarryT 

----- Original Message -----

From: "Dan--- via Mercedes" <mercedes@okiebenz.com> 
To: "Mercedes Discussion List" <mercedes@okiebenz.com> 
Cc: "d...@penoff.com" <d...@penoff.com> 
Sent: Monday, September 19, 2016 10:56:13 AM 
Subject: Re: [MBZ] Q for Larry 

I understand, since it's a synthetic I'm sure it flows far better in cold temps 
than a conventional oil. 

In the higher mileage M119s I've had I run 15W-50 M1 and change every 7500, 
maybe 10k in the older son's car, since his mileage is almost all highway. The 
only reason for using the higher viscosity oil is to keep idle pressures up in 
high temperatures. In both M119s with over 275k the idle pressure drops 
perilously close to 1.0 bar during the hottest times of the year with 
everything turned on. If I use the 15W-50 idle pressures are more like 1.5 bar 
under similar conditions. 

Time isn't an issue for me. If it's one of my cars, I just pull it into the 
garage, get out the vacuum extractor, pump it up, stick in the hose and go off 
to do something else. 30 minutes later I'll come back, swap the filter, fill it 
up with fresh oil and check levels. I spend 15 minutes total changing oil, if 
that. 

Dan 


Sent from my iPad 

> On Sep 19, 2016, at 10:21 AM, Curt Raymond via Mercedes 
> <mercedes@okiebenz.com> wrote: 
> 
> You'd think that until you play with both oils in the cold. The 15w40 
> conventional oil is almost solid at 0F, the 15w50 has barely changed, its a 
> little thicker but not much. I forget who gave me the idea, maybe Marshall 
> but its true. 
> Hmm, maybe I should make a video about it... 
> I'm exactly the opposite, having done some oil analysis I see no reason to 
> change the oil before its used up, it seems like a waste of money and a waste 
> of time, mostly the later actually. With both of my 190Ds analysis showed the 
> oil was still doing fine at 12,000 miles at which point I always got chicken. 
> It'd also tend to thicken a bit at that point and I could hear a difference 
> in cold starts. 
> From a money perspective you're paying say $90/yr plus your time. Mobil 1 
> 5w40 at Autozone here is $29/gal full price so you'd be almost 3 times the 
> cost in oil but 1/3 the cost in filters and 1/3 the time which for me is the 
> most valuable part. 
> Of course you don't have to worry about cold starts, at 0F with 15w40 
> conventional oil forget it, just plug the car in and wait. With synthetic 
> give it an extra few seconds after the car starts and drive away... 
> -Curt 
> 
> From: Dan--- via Mercedes <mercedes@okiebenz.com> 
> To: Mercedes Discussion List <mercedes@okiebenz.com> 
> Cc: "d...@penoff.com" <d...@penoff.com> 
> Sent: Monday, September 19, 2016 10:13 AM 
> Subject: Re: [MBZ] Q for Larry 
> 
> Curt, 
> 
> Do you have that backwards? I can't imagine running 15W-50 in the winter in 
> your neck of the woods. It would be like molasses, I would think. 
> 
> I currently run Delo 15W-40 in the SDL with 3000 mile changes. I believe 
> strongly in the interval more than the oil, so it doesn't make a lot of sense 
> to use something like M1 in the car with that short of an interval. 
> 
> A 2-1/2 gallon jug is around $26 at Wallyworld. Add $10 for a filter and an 
> oil change costs me roughly $30. I will probably change oil 2-3 times this 
> year. 
> 
> Dan 
> 
> 
> Sent from my iPad 
> 
>> On Sep 19, 2016, at 9:49 AM, Curt Raymond via Mercedes 
>> <mercedes@okiebenz.com> wrote: 
>> 
>> Why so hot for 20-50? I ran 15w40 in my 240Ds all summer and switched to 
>> 15w50 M1 in the winter for easier cold starts. 
>> In a 60x engine you can do synthetic and change the oil less often but IIRC 
>> you don't drive that much. If I ran conventional oil back when 


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