Recent content by jss75

Thanks for the info. The manual says 5w30. The dealer offers Mobil 1 full synthetic for 60 bucks. Do you think that is a good price and how many miles should that run? Thanks for your help!

I am new to the website and still trying to figure it out! I recently took a new Mazda CX-7 in for its first oil change. The car is a 4 cylinder with turbo. The book calls for 5W30, but the Mazda dealer where I bought it put in 5W20. At least thats what the service record states. The brand was...