Blackstone Lab's newsletters are always interesting (to me, at least), and some of you might like reading them as well. The latest one answers the oft asked question "are magnetic drain plugs worth the money?" (No.)
Starting in April 2012 they purchased several vintage oils off of eBay and analyzed them. So, if anyone is interested in how oil technology has advanced it's fun reading.
http://www.blackstone-labs.com/newsletters.php
Stuart (I do an oil analysis every year or two) |
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