How can this be on BITOG? this guy is basically saying to change your oil every 3k miles or 3 months because of the simple reson of it being "cheap insurance" even in modern cars, i guess maybe he's a time traveller from a parallel universe that is still in the 70s
http://www.bobistheoilguy.com/3mp/3koil.html
http://www.bobistheoilguy.com/3mp/3koil.html