Redline v. Amsoil

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randallbrink@mac.com - 14 Oct 2007 20:56 GMT

I am seeking advice, information and opinions on the choice between
Redline Synthetic and Amsoil for the Mercedes diesel engines. I have
been using Amsoil synthetic on gasoline-powered engines for years with
great success, but have thus far never used the sythetic in my
diesels.

I have done research on Redline, but find that much of the data is
technical to the point of not being meaningful in terms of a
comparison. Also, I have easy access to Amsoil, but have always had
troubel finding the Redline.

Thanks,

Randall Brink

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Stupendous Man - 20 Oct 2007 21:40 GMT

A religious discussion?
I got 774,000 miles on dino oil in my 190Dc with no major engine repairs,
and and pushing 250K in my 300TD.
I'll stick with normal oil changed and recommended intervals.

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Dori A Schmetterling - 21 Oct 2007 18:23 GMT

There is always somebody who knows better that the manufacturer.

DAS

For direct replies replace nospam with schmetterling
---

>A religious discussion?
> I got 774,000 miles on dino oil in my 190Dc with no major engine repairs,
> and and pushing 250K in my 300TD.
> I'll stick with normal oil changed and recommended intervals.

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LWG - 22 Oct 2007 03:10 GMT

Not exactly on point, but I have used Redline exclusively in all of my cars,
including my (gasoline) C220. I have 240,000 miles on it, and it runs great
and burns no oil.

Your only concern is changing over to a full synthetic oil if you have run
non-synthetic oil long enough to develop sludge in your engine. The higher
detergent effect of the synthetic oil and additive package can cause
problems. Changeover by adding a quart more synthetic with each change,
decreasing the non-detergent volume to compensate. Redline is available on
the internet at jegs.com

>I am seeking advice, information and opinions on the choice between
> Redline Synthetic and Amsoil for the Mercedes diesel engines. I have
[quoted text clipped - 10 lines]
>
> Randall Brink

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randallbrink@mac.com - 22 Oct 2007 17:39 GMT

> Not exactly on point, but I have used Redline exclusively in all of my cars,
> including my (gasoline) C220. I have 240,000 miles on it, and it runs great
[quoted text clipped - 25 lines]
>
> > Randall Brink

I received this advice too late to follow it to the letter. However, I
did flush the engine with Amsoil flush prior to refilling with Amsoil
15-40 synthetic. In the course of flushing, I used a new filter, then
changed filter again prior to adding the new oil. I hope that this
addresses the issue of the sludge.

Thanks again for the information and advice.

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