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On 6 Apr 2003 at 22:11, Mark Seaton wrote: > Last time I changed my oil I stuck a small magnet onto the sump plate. I > changed the oil today and discovered quite a lot of fine ferrous matter > covering the magnet and surrounding plate. I'm glad it got stuck to the > magnet and ceased to circulate, but is this something I should worry about? > I'm hoping there will be less next time- maybe this was all accumulating for > 30 yrs and now I've caught it? ;-) Always look on the bright side! Perhaps > there should have been a magnet there all along. I remember my 2CV always > had an amount of fur on its magnet in the drain plug. If this is normal, > then I guess fitting a magnet is a good idea- easier than fitting a filter! I'd always been told that magnets were much less common in engines than in transmissions because most of the parts that wore in an engine were non- magnetic. I think the rings and cylinder walls are the sole exception to this. I have some really strong magnets I should try this with. OTOH, if this is just because you have gone 30kmiles since your last oil change, then this is probably reasonable (and you should be ashamed. ;-) I would still argue for full flow filtering because there are lots of nasty things that a magnet won't pick up and a filter will. -- ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ------------------------------------------------------------------- List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org