Hi Everyone.  I found this great www reference while doing some 
research on engine oil.

http://www.autosite.com/

It's worth a visit... even has vehicle recalls, etc.  Quite 
informative.

Harry.
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Harry Yates, Langley, BC, Canada
'90 Syncro Westfalia www:   http://www.bcit.bc.ca/~hyates
'87 Golf Diesel      email: hyates@bcit.bc.ca
'91 Miata (Millie)