Want to learn more about Motor engine oil properties and motor oil life span? Check the following link.
Too Slick to Quit - Determining True Lubricant Health In-Situ | InnoCentive Challenge
And for the more daring get involved in attempting to solve this challenge (cf. link above to register and offer a solution to the challenge)
If I have time I shall have a go myself and will of course welcome any help and advice from specialists.
Cheers