Has any one used Lucas brand oil. I use 1 qt to displace 1Qt of Mobil 1 0W40.
I actually use it in all my cars. I told a friend about it, he started to use it in his high mileage Eclipse that burned 1 qt ever 2 tans of gas. Ever since he used it on his next oil change he has not burned ANY oil. I know another guy who drives a semi over the road and used this and now ascending hills his temp gauge stays in check.
here is the link
www.lucasoil.com/