this was stated on another thread, but i think this is the key to that reasoning..

if your car eats up a lot of oil, then this could just very well "hold water", but if you have a healthy engine that doesnt consume oil, i think you'd still be better off with a regular change oil.

__________________
Mike

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1975 200 - Sold (no pix);
1978 200 - Sold - http://www.pbase.com/hboy/redbaron
1979 300TD - Sold
http://www.pbase.com/hboy/greenwagon
http://www.geocities.com/hboy726/300TD.html
1985 230E - now my daily driver...