Today's Message Index:
----------------------
1. 07:16 AM - Aeroshell 100 (Walt Murphy)
2. 07:57 AM - Re: Aeroshell 100 (Rick)
3. 12:52 PM - Re: Aeroshell 100 (Kelly McMullen)
Message 1
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Question... I have always used Aeroshell with great results. But ,
lately I have been hearing things from customers that perform oil
analysis routinely that the "new" Aeroshell formulation causes higher
copper
results in their oil analysis. I had one tell me that once he changed
over to Phillips that the next 2 oil analysis results both showed copper
back to normal .
Has anyone had any info on Shell changing the formulation?
Thanks,
Walt
Message 2
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Symptoms can be problematic. He might want to change back once more to
see if copper goes up again. Then switch if necessary. I doubt either
oil would cause abnormal wear. If it is an experimental engine you can
run what you want. Keep in mind unless you have an engine modified for
unleaded you must run at least a semi-synthetic if you go in that
direction.
Rick
-----Original Message-----
From: owner-engines-list-server@matronics.com
[mailto:owner-engines-list-server@matronics.com] On Behalf Of Walt
Murphy
Sent: Wednesday, May 02, 2007 7:12 AM
Subject: Engines-List: Aeroshell 100
Question... I have always used Aeroshell with great results. But ,
lately I have been hearing things from customers that perform oil
analysis routinely that the "new" Aeroshell formulation causes higher
copper
results in their oil analysis. I had one tell me that once he changed
over to Phillips that the next 2 oil analysis results both showed copper
back to normal .
Has anyone had any info on Shell changing the formulation?
Thanks,
Walt
Message 3
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| Subject: | Re: Aeroshell 100 |
The problem is caused by the additive Aeroshell uses to meet the
Lycoming AD requirement. They used to use TCP, but it is now TPP. As I
understand it, there is not a problem with straight Aeroshell (not
Plus) and not with Exxon or Phillips. I don't know if there is any
concern with the higher copper numbers. You might email Blackstone for
their opinion, and then write Shell and see if they have a comment.
On 5/2/07, Walt Murphy <waltmurphy@charter.net> wrote:
>
> Question... I have always used Aeroshell with great results. But ,
> lately I have been hearing things from customers that perform oil
> analysis routinely that the "new" Aeroshell formulation causes higher
> copper
> results in their oil analysis. I had one tell me that once he changed
> over to Phillips that the next 2 oil analysis results both showed copper
> back to normal .
> Has anyone had any info on Shell changing the formulation?
>
> Thanks,
> Walt
>
>
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