Mixing Lubricating Oils - FYI

[Bryan Savage <b.a.savage@earthlink.net>]

List,
RE: http://www.machinerylubrication.com/article_detail.asp?articleid=235

I knew that greases should not be mixed but I wasn't aware that this also 
applies
to gear oils and different API grades of motor oil. Example; I shouldn't mix 
Mobil1
MX4T with their TRUCK & SUV oil. MX4T is SG, SH and the other is SJ, SL.

Live and learn,
Bryan