engine oils. An interesting read

[THE MASTER]

http://www.upmpg.com/tech_articles/motoroil_viscosity/

[Red October]

So its leagal to sell non synthetic as synthetic? Unless you use additives? Because of a loophole everyones aware of, who regulates this stuff, Stevie Wonder?

Motor Oil has become like the cheese slice, not really much cheese just chemicals.

[DaveL485]

Most of the time when viscosity is explained words are used that are too technical for the average person to quickly grasp.

...and they you read the rest of the article, because Joe Bloggs and his Tesco 10w40 in his Diesel Mondeo will read that and be like...."YEAH, I got it!"