So to keep fires burning...
I got my latest oil analysis this week, went a shade over 8,000 miles before
testing. Larry says 113ppm iron is cause for concern but everything else looks
fine.
I counter that the last check was at 7,000 some miles and iron was around
130ppm so we're seeing a much slower rise in iron per oil change.
My theory is that the iron we're seeing is from carbon being released. The
engine in my car ('85 190D 2.2l) was seriously carboned up when I first got it
and 16,000 miles later its gotten alot better but still has some way to go. As
the carbon gets more cleaned up I should see fewer problems with high iron
level.
Anyway, thats the theory, what say you?
-Curt
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Subject: Re: [MBZ] Another oil thread
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I'll preface this by saying I know next to nothing about oil analysis, but -
Why would carbon buildup, which I'm guessing is comprised mostly of carbon
(C), contain any iron (Fe)?
Isn't the the block of a 2.2 cast iron? If so, then it wouldn't it seem to
be a more likely place for iron to get into the oil?
Just a thought,
Mike
On 10/25/06, Curt Raymond <[EMAIL PROTECTED]> wrote:
>
> So to keep fires burning...
>
> I got my latest oil analysis this week, went a shade over 8,000 miles
> before testing. Larry says 113ppm iron is cause for concern but everything
> else looks fine.
> I counter that the last check was at 7,000 some miles and iron was around
> 130ppm so we're seeing a much slower rise in iron per oil change.
> My theory is that the iron we're seeing is from carbon being released. The
> engine in my car ('85 190D 2.2l) was seriously carboned up when I first
> got it and 16,000 miles later its gotten alot better but still has some way
> to go. As the carbon gets more cleaned up I should see fewer problems with
> high iron level.
>
> Anyway, thats the theory, what say you?
>
> -Curt
>
>
> ---------------------------------
> Stay in the know. Pulse on the new Yahoo.com. Check it out.
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