Just one more thought before leaving for work. If the cost
of an oil is going to hurt you, don't buy it. Don't spend more than you can afford for anything (even oil!). If on a budget & you are determined to use syn, get on sale. AZ has sales on Castrol a couple times a year, and other auto parts stores do also, on different brands. I am using Red Line now, because I always wanted to, and it is just a hobby for me. I only have one vehicle, and use 9 quarts a year. Do I NEED syn?, no. I'm just having fun, & hope you are also....heading your way (Memphis), take care...........jr