Royal Purple

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  • DaAznKnight
    Noobie
    • Dec 2010
    • 8

    #16
    I used to run Royal Purple in my cars. The UOA for my first car (Mazda RX-8) was pretty damned good. It did, however, cause my car to blow blue smoke (I was catless). I thought it was just a rotary thing.

    Swapped over to Rotella for my second car (MazdaSpeed6). Also pretty good if I used the diesel formula.

    Currently in my Honda I just run Castrol synthetic. I spent a week doing UOA research, and found them to be most suited to the S2000.

    What I've learned from all this is that different cars, different brands. Not exactly sure why though...

    Comment

    • nando
      Moderator
      • Nov 2003
      • 34827

      #17
      royal purple blows donkeys
      Build thread

      Bimmerlabs

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      • backtrail69
        R3V Elite
        • Jul 2005
        • 4471

        #18
        Originally posted by nando
        royal purple blows donkeys
        lol +1
        :: PNW Crew ::
        '87 325 4dr, '74 2002

        Comment

        • caliGreen
          Advanced Member
          • May 2010
          • 195

          #19
          Royal Purp. is for the useless car people that also buy octane "booster" and now they feel like they can smoke a bugatti

          Comment

          • caliGreen
            Advanced Member
            • May 2010
            • 195

            #20
            Ams Oil Allday Everyday

            Comment

            • Mafiaracers
              Grease Monkey
              • Jun 2009
              • 353

              #21
              Its very interesting to me when you look at oils strictly from a data/number perspective. The ams oil 15-50 and mobile 15-50 are terribly close in specs but ams oil is superior...I'm not being argumentative, just questioning what makes it better?

              http://www.syntheticoilonline.net/rd50.html (bottom of page)
              http://www.mobil.com/USA-English/Lub...l1_15W-50.aspx (bottom of page)
              Chris Woods

              https://www.facebook.com/munichmotorworks

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              • Anthony88ac
                Untrustworthy, Buyer beware!
                • Jan 2009
                • 251

                #22
                ZDDP is all you need kendall, castrol, rotella. Royal Purple is for ricers!!

                Comment

                • lga714
                  Grease Monkey
                  • Feb 2010
                  • 315

                  #23

                  mtechII 5 lug S50

                  Comment

                  • Danny
                    Moderator
                    • Feb 2008
                    • 14217

                    #24
                    I use castrol GTX.

                    Comment

                    • dannyyisntt
                      No R3VLimiter
                      • Sep 2008
                      • 3141

                      #25
                      I always use mobile
                      sigpic

                      Comment

                      • lga714
                        Grease Monkey
                        • Feb 2010
                        • 315

                        #26
                        Back when I had an M50 I used Mobil 1 one time and my whole valve train sounded like shit, switched it with Castrol and within 30 seconds of startup the sound went away. My .02

                        mtechII 5 lug S50

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