How Often Should Synthetic Motor Oil be Changed? Amsoil can go 25K

It used to be common practice in the ’60s and 70’s to change oil every 3 to 5 thousand miles. Amsoil Synthetic oil reduces maintenance, and annual oil costs, and there is less waste oil disposal. Amsoil synthetic Signature series oils can go 1 year or 25K miles under normal driving conditions or under severe […]

How Often Should Synthetic Motor Oil be Changed? Amsoil can go 25K Read More »