How many miles does amsoil last?
How many miles does amsoil last? 25,000 miles If you use: AMSOIL Signature Series motor oil, you can go up to 25,000 miles in normal service conditions or 15,000 in severe service. AMSOIL XL motor oil, you can go up to 12,000 miles in normal or severe service conditions. Why do you need to flush your car with Amsoil oil? In these cases, a potent, detergent-based flush can help prepare the engine for new oil, loosening sticky valves or rings and helping remove harmful sludge. While not a required step when switching to AMSOIL synthetic motor oil, we do recommend...