Re: [ST] Mobil 1 15W-50 SuperSyn Oil

[Colt45 <colt4530@xxxxxxxxxxx>]

I'm not sure if they are the same.  Since 15W is a lot thicker than 5W, 
I'm not afraid to use it.  Since water would meet a 4W, I don't use 
5W-anything in anything I have.

sobiloff@xxxxxxxxxxxxxx wrote:

>>From: "colt4530@xxxxxxxxxxx" <colt4530@xxxxxxxxxxx>
>>Subject: Re: Re[2]: [ST] Mobil 1 15W-50 SuperSyn Oil
>>
>>Generally, the viscosity index (VI) improvers used to reach 40, from 5W are
>>not high temperature stable and are easily sheared by gear teeth.
>>    
>>
>
>But the VI improvers used in 15W-50 are high temperature stable?  They aren't the same as the ones used in 5W-40?  (Just trying to learn.  Thanks!)
>--
>Blake Sobiloff
>San Mateo, CA
>
>   
>
- -- 
John Albright
'02 RS
'00 748
Chattanooga
C-RATs


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