Mcgeerf.Tripod.com, OilSpecifications.org and CarCare.org provide information on car oil specifications. Mcgeerf.Tripod.com provides a complete car oil spec comparison chart. The chart compares oil viscosity, flash point, pour point, and percentages of ash sulphate and zinc.
OilSpecifications.org provides an online tool for comparing car oil specs. Users can select a brand and product from the dropdown menus. The tool gives a list of similar motor oil products to be compared. The OilSpecifications.org comparison tool has fourteen major brands to compare and over one hundred products. CarCare.org gives a brief article explaining different types of oils, what their specs mean and how car owners can choose the best oil for their car models.