Anyone use royal purple in their lincolns? Used to use it in one of my old cars and it worked great. My conti has 129k miles...Thinking About maybe going full royal purple. The motor oil,Power steering fluid,Tranny fluid (says its mercron V compatable,and radiator additive (also used this in my old car and dropped temp a lil)...lemme know what you guys think..I dont know the history of my car so I just wanted to get rid of all old fluids and use high quality stuff.