Thread: Elf Oil
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Old 06-11-2008, 03:24 PM   #14
Brucelee
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Quote:
Originally Posted by bmussatti
Sputter, read this about oils:

http://www.lnengineering.com/oil.html
Refers to the base oil used to make the motor oil.

Class 5 have base oils made of Poly-ol-esters. These are used in jet engine lube etc.

Class 4 are base oils made of Poly-ol-alephins. Also very good but one step below.

Class 3 are made of hydrocracked petroleum oils. Called synthetic by some, but not in Europe.

I don't vouch for my spelling the above chemicals correctly.

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