Mobil 1 oil weight

[Grant Lenahan]

I cant let this pass.
See below:

On Apr 30, 2007, at 4:17 PM, Ameer Antar wrote:

>
>
> -------------------- Original Message --------------------
> From: Al Streicher [streichea001 at hawaii.rr.com]
> To: Ameer Antar [antar at comcast.net], Taka Mizutani [t44tqtro at gmail.com]
> Cc: Quattro List [quattro at audifans.com]
> Date: 4/30/07 1:50:26 PM
> Subject: Re: Mobil 1 oil weight
>
>> I am a little confused with those charts from SJM. In column A is 
>> listed a
>> 10W-30/10W-40 oil as being "Energy conserving oil". Column B also has
>> 10W-30/10W-40 as just multi-grade oil. What is the difference?
> I think this is just a newer, more strict standard.
Both ratings exist,. You can buy non-Energy saving SM oil.  I dont know 
why.

>
>> I live in the tropics, temps run from 65-98 degrees.
>> My car is a 1990 80 Non-Q, 4 banger. 60K on rebuilt engine. (208K)
>> I currently use Castrol 20W-50 Synthetic based on the older chart.
>> Now do the arrow points on the end of the graph indicate going to 
>> infinity,
>> as opposed to the bar that ends specifically at a temp.
> Ya, that's what it means.
Now wait a minute. To infinity?
So this oil will neither evaporate nor coke when placed in the center 
of the Sun or another fusion reaction?

Didn;t mean that? What exactly, then, did you mean?

I do agree that turbos are a unique challenge and the oil must resist 
higher heat than in an NA motor.

Grant