We have known for many years that synthetic lubricants offer better protection. Full Synthetic base stock motor oils and lubricants offer a number of advantages over mineral oil lubricants including better lubrication through out all temperature ranges hot and cold while offering substantially extended drain intervals. Another main advantage of putting synthetic oils and lubricants in your Mustang is improved fuel economy longer engine and transmission life. Buy your Red line Synthetic motor oils and transmission fluids for your Mustangs next oil and fluid change here at Brothers Performance.  Dont forget we also offer gear oil friction modifiers, synthetic fuel system cleaners, and even radiator coolant additives to keep your coolant temperatures even lower than conventional coolants.