<VV> Rotella Ask Our Expert: Gasoline Engines

[Ian Harding]

That's what I use... I see the CI-4  PLUS and hey, PLUS must be better
right?  (kidding)  If there's a better oil I'd like to know, I'm due
for a spring change.

On Tue, Mar 16, 2010 at 9:39 PM, J R Read_HML <hmlinc at sbcglobal.net> wrote:
> How Timely...
>
> I've been doing some of the same searches this evening.  Want to do an oil
> change in the AM and picked up a gallon of Rotella T (Triple Protection)
> earlier.  I have been using Mobil 1 for diesels, but it was not on the shelf
> at Auto Zone.
>
> This is a multi-weight oil - 15W40.  Now that I read the Rotella label more
> closely, I'm seeing "Meets API Service CJ-4, CI-4 PLUS, CH-4, CG-4, CF-4,
> CF/SM".  I'm thinking that this should NOT go in a Corvair engine.
>
> Agreed?
>
> I think I will return this tomorrow and go find the Mobil 1 diesel
> elsewhere.
>
> If someone thinks I'm on the wrong track, please let me know.
>
> Thanks.
>
> Later, JR
>
>
> ----- Original Message -----
> From: "Mark Durham" <62vair at gmail.com>
> To: "Virtual Vairs" <VirtualVairs at corvair.org>
> Sent: Tuesday, March 16, 2010 10:56 PM
> Subject: Re: <VV> Rotella Ask Our Expert: Gasoline Engines
>
>
>> Hi all, have done some more research on oils and higher ZDDP levels. Have
>> found a mention on another hot rodder site that verify's that in 2006, the
>> Shell Rotella T oils do have the higher ZDDP in them. However, what has
>> happened since then is unknown, other than I got the below statement
>> direct
>> from Shell in Nov 2009. The Oil I used then (which is still in the car) is
>> a
>> CI-4.
>>
>> Here are two other links I found. 1takes you to the Mobil 1site, and it
>> explains the ZZDP levels for their oils. 2, takes you to a well written
>> oil
>> and flat tappet article that explains a bit of history and which oils to
>> look for. It appears the older CI-4 oils still have the higher ZDDP, but
>> the
>> same brand and weight oil as a CJ-4 does not. Beware!
>>
>> Happy reading.
>>
>> http://www.mobiloil.com/USA-English/MotorOil/Car_Care/AskMobil/Flat_Tappet_Engines.aspx
>> http://www.indianachevelles.com/newsletter/July07Newsletter/page2.html
>>
>> Great to see you and your Vairs today, Craig.
>>
>> Regards
>> Mark Durham
>>
>> On Tue, Nov 3, 2009 at 8:36 PM, Mark Durham <62vair at gmail.com> wrote:
>>
>>> Gents, I requested information from Shell Oil on their Rotella T 5W-40
>>> Synthetic oil at the first of this string and what follows that is
>>> Shell's
>>> reply. Looks good to me. :):)
>>> Mark Durham
>
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