Mobil 1 oil weight - with the link - pls read before continuing.

[Huw Powell]

> No, you are missing my point, and Haas'. 

Let's start off with who this Haas guy is.

The only credential I ran into in his wriitngs was that he is/was doing 
a surgical reseidency.

> If you find his NUMBERS wrong, fine. 

I found his "numbers" unclearly presented.  I didn't see a database of 
real lab-type testing, just lots of little tables.

> But he specifically offers data to disprove that multi-vis 
> is sifficient.  All oils, even 0W-20, are too thick until oil 
> approaches 100degC. 

So we need -20W-10 oil...

> Multi-weight as today, is insufficient. That is 
> the point I have been trying to make. Please read the paper - i'm 
> trying to help out with info that really convinced me.

OK, it convinced *you*.  I found it mostly unreadable BS.  The ten part 
thing at the url below, anyway.  Although, the last section, where the 
oil boards are, with requests for money, was pretty clear.

"Fact: The higher the temperature, the greater the wear, all other 
things being equal." - Motor Oil 108

>>Again, the reason for multi vis oils.  Your premise is that you will 
>>always have better flow/fluid transport with lower vis oils.  That 
>>isn't true.
> 
> Yes it is.  if you dont believe me, read Haas' paper, and the recent 
> SAE paper on low-temp flow.  If you dont have access to SAE papers, 
> read Haas' summary, he posted it on Ferrari chat.

Url please?

So far I do not see Haas as being any sort of authority based on the 
website.  Just a guy with a dilletante perspective, who also drives a 
car nothing like what I could ever afford.

>>Look at what you said, "with insufficient pressure and pump 
>>volume"...There are the proviso's...do you think Porsche, Audi, 
>>Ferrari, MB ensured that there oil pumps were designed to provide the 
>>pressure and flow requirements for the oils specified?
> 
> You apparently have not read the article I pointed you too, whcih has 
> all these data, and makes  my point. 

Why not say *which* article and what line/paragraph if you are going to 
cite it as a reference?

> If you disagree, and you sound 
> pretty familiar with the principles, counter his numbers with yours.  
> In fact, he uses real pressure and flow data from his 575 maranello.  
> So the quick answer is "yes, I do think that, and in fact, Haas 
> demonstrates that with measurements"

On a "575 Maranello", whatever that is.

> http://63.240.161.99/motoroil/
> 
> Read it and come back. I listen, btu I want to see these specifically 
> contradicted or supported.

I want to see clear quotes (and their locations) that are backed up with 
  data that support them, not a ten file semi-literate screed about why 
everyone else is wrong.

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/