Originally posted by agent87
I think it's pretty reasonable to want to know what's going on inside one's own engine. I guess you've missed all of Bror Jace's posts (they seem to be missing now) on oil and filters? And $18 isn't all that expensive compared to all the other stuff enthusiasts spend there money on.
lets just say it was a unique perspective on engine maintenance that i had yet to hear of, and to be frank it would be something i would look into, if not for the utility side of it than for that of just morbid curiousity.