I’ve been using 5W40 Rotella T6 for years and years. Used to be cheap and easy to find.  Not so much anymore here in the PNW.  Now using Valvoline 5W40 European synthetic.

Jim

> On Jul 21, 2022, at 5:40 AM, Tom C <thomas.casal@GMAIL.COM> wrote:
> 
> Hey guys,
> 
> Mobile 1 15w-40 is getting hard to find locally. What do you guys think of
> the diesel oils like this the shell rotella stuff like this
> https://www.autozone.com/motor-oil-and-transmission-fluid/engine-oil/p/shell-rotella-t6-diesel-engine-oil-hd-full-synthetic-15w-40-1-gal/354130_0_0
> 
> 32.99 for 5 quarts is way cheaper than the 9.99 a quart for the mobile 1. I
> don’t mind paying the extra but if this diesel oil is just as good may as
> well save a few bucks. Thanks for any comments. Peace tom