+2 on the diesel truck oil. I use it in my diesel westy. The Rotella
has a great capacity for soot and contaminants.

Jim

On Tue, Nov 11, 2008 at 9:10 PM, Jake de Villiers
<crescentbeachguitar@gmail.com> wrote:
> +1 on the diesel truck oil.  I've been using nothing but 15W-40 Rotella T or
> Castrol for over 25 years going back to my road racing days and never had an
> issue.
>
> On Tue, Nov 11, 2008 at 5:47 PM, Mike S <mikes@flatsurface.com> wrote:
>
>> At 03:01 PM 11/11/2008, Jim Felder wrote...
>>
>>> Maybe. I don't know for sure that an oil that you use in your car over
>>> a wide range of conditions is necessarily inferior to an oil designed
>>> to run a few hours flat-out in a very carefully designed mechanical
>>> environment. I don't know that it's not true, either, but it's
>>> probably worth looking into.
>>>
>>
>> IMO, people are opinionated/emotional about oil because it's the most
>> basic engine maintenance item under their control. When's the last time
>> you heard of an engine failing due to the brand of oil used (other than
>> truly exceptional conditions, like sludging, properly associated with
>> poor engine design)?
>>
>> The only concern (again, IMO) is the EPA related reduction in ZDDP, a
>> friction reducer important to flat tappet engines. I use a diesel (Cx)
>> rated oil, since they're allowed to have more (Shell Rotella Synthetic
>> 5w-40, if anyone cares). Other than that, modern oils are magnitudes
>> better than what 20 year old engines were designed to use. Modern oils
>> are 4-5 generations improved.
>>
>
>
>
> --
> Jake
> 1984 Vanagon GL
> 1986 Westy Weekender "Dixie"
> Crescent Beach, BC
> www.crescentbeachguitar.com
> http://subyjake.googlepages.com/mydixiedarlin%27
>