http://www.articlealley.com en-us editorial@articlealley.com When Do I change my Oil? Motor oil technology has gradually progressed since the days of the earliest automobiles. In those days, standard motor oil drain intervals were between 500 and 1000 miles, and motorists had to switch viscosity grades with the ... http://www.articlealley.com/article_63127_31.html 16th June 2006