Anyone use Rotella T diesel oil in their gasoline e30?

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  • noid
    E30 Mastermind
    • Feb 2008
    • 1529

    #1

    Anyone use Rotella T diesel oil in their gasoline e30?

    A major amount of guys in the atv honda trx450r forum use Rotella T diesel oil instead of running synthetic gasoline oil. Alot of the motors are extremely high strung and receive frequent disassembly; all the engine builders on there swear by it.

    Considering TRX450R engines are flat tappet engines just like an E30, I think it could benefit from the nice amount of zddp, and phosphorus that hasnt been disallowed from being used in diesel oils like it has in gasoline oils by the EPA.

    Anyone use it?
    Your resource to do-it-yourself and interesting bmw and e30 stuff: www.rtsauto.com

    Your resource to tools and tips: www.rtstools.com
  • Vspec
    Advanced Member
    • Jan 2005
    • 114

    #2
    Have you owned or currently own an SV650? Those guys swear by that stuff.
    01/88 325is re-assembly required - Garage recluse - Parts pile growing

    Comment

    • Jparkr
      HR Admin
      • Jan 2006
      • 3494

      #3
      I've never used it, but the rumors i've heard is diesel oil is high in zinc and therefor similar to the oil that was available to our E30's in the 80's/early 90's.

      No personal experience though.

      1987 PRO-3 car /1990 325is (2.7i Concours)

      Comment

      • Jand3rson
        Banned
        • Oct 2003
        • 37587

        #4
        I was told by quite a few people in a recent inquiry that Shell Rotella T is the way to go, for the reason Parker said, it's good oil, and it's also dirt-cheap. A gallon is $12 at Wal-Mart.

        Comment

        • turge
          R3VLimited
          • Mar 2011
          • 2576

          #5
          Originally posted by noid
          A major amount of guys in the atv honda trx450r forum use Rotella T diesel oil instead of running synthetic gasoline oil. Alot of the motors are extremely high strung and receive frequent disassembly; all the engine builders on there swear by it.

          Considering TRX450R engines are flat tappet engines just like an E30, I think it could benefit from the nice amount of zddp, and phosphorus that hasnt been disallowed from being used in diesel oils like it has in gasoline oils by the EPA.

          Anyone use it?
          Would running the stuff affect smog at all for ur car? All I know is that I wouldn't try it in California if it did.

          Comment

          • noid
            E30 Mastermind
            • Feb 2008
            • 1529

            #6
            Originally posted by turge
            Would running the stuff affect smog at all for ur car? All I know is that I wouldn't try it in California if it did.
            ZDDP and Phosphorous are both considered low level cat contaminators. However, 1. It only applies if your consuming oil 2. Current warnings say it 'could' shorten the life of the cat rather then a certainty 3. In the 80's gasoline oil had high amounts of both before the EPA got at it and e30's back then ran just fine with cats.
            Your resource to do-it-yourself and interesting bmw and e30 stuff: www.rtsauto.com

            Your resource to tools and tips: www.rtstools.com

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            • mrsleeve
              I waste 90% of my day here and all I got was this stupid title
              • Mar 2005
              • 16385

              #7
              Higher levels of ZDDP can be found in Valvoline VR1 raceing oil.

              Or the mobile 1 Racing oils.

              As a general rule the CJ-4 oils for turbo diesels will be higher in ZDDP than gasser counterparts. These include Delvac 1300 and Delvac 1 from mobile, Rotella from shell, Delo 400 from Chevron is all good stuff, and will be great in a m20.

              In my e30 I ran VR1 20-50 in My Duramax I run Delvac 1 (full syn). I used to know ZDDP numbers off the top of my head, and if IRRC the VR1 is 1450ppm and the Delvac1 is pushing 1700ppm. I may be mistaken but those are the numbers I am remembering.
              Originally posted by Fusion
              If a car is the epitome of freedom, than an electric car is house arrest with your wife titty fucking your next door neighbor.
              The American Republic will endure until the day Congress discovers that it can bribe the public with the public's money. -Alexis de Tocqueville


              The Desire to Save Humanity is Always a False Front for the Urge to Rule it- H. L. Mencken

              Necessity is the plea for every infringement of human freedom. It is the argument of tyrants.
              William Pitt-

              Comment

              • Holland
                R3V OG
                • Nov 2008
                • 7176

                #8
                I run the stuff, have been, and more than likely will be for quite some time.
                1985 M10b18. 70maybewhpoffury. Over engineered S50b30 murica BBQ swap in progress.

                Originally posted by DEV0 E30
                You'd chugg this butt. I know you would. Ain't gotta' lie to kick it brostantinople.

                Comment

                • quikveedb2
                  R3VLimited
                  • Sep 2007
                  • 2258

                  #9
                  Just bought some for my next oil change, from what I've read it works well.
                  Originally posted by Dozyproductions
                  You know why you're drinking that Pabst? No its probably not because it was the first beer you grabbed. It's because you're a winner.

                  Comment

                  • noid
                    E30 Mastermind
                    • Feb 2008
                    • 1529

                    #10
                    Originally posted by mrsleeve
                    Higher levels of ZDDP can be found in Valvoline VR1 raceing oil.

                    Or the mobile 1 Racing oils.

                    As a general rule the CJ-4 oils for turbo diesels will be higher in ZDDP than gasser counterparts. These include Delvac 1300 and Delvac 1 from mobile, Rotella from shell, Delo 400 from Chevron is all good stuff, and will be great in a m20.

                    In my e30 I ran VR1 20-50 in My Duramax I run Delvac 1 (full syn). I used to know ZDDP numbers off the top of my head, and if IRRC the VR1 is 1450ppm and the Delvac1 is pushing 1700ppm. I may be mistaken but those are the numbers I am remembering.
                    http://www.joegibbsracingoil.com/ has oil with ~2400ppm but at $17-19/quart is well out of budget for most folks.

                    I think the great thing about rotella T more then anything is that its $12 per gallon.
                    Your resource to do-it-yourself and interesting bmw and e30 stuff: www.rtsauto.com

                    Your resource to tools and tips: www.rtstools.com

                    Comment

                    • flyboyx
                      R3V OG
                      • Sep 2008
                      • 8371

                      #11
                      i actually run the full synthetic rotella t in everything i own including my diesel f350 and my bimmers. even my lawn equipment and my kubota tractor. this oil is awesome and you can't beat the price. about 20.00/gal at walmart. i have been telling people for years how great it is. people are now starting to listen. i recommend you use it.
                      Last edited by flyboyx; 03-13-2012, 07:08 PM.
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                      Comment

                      • rThor432
                        No R3VLimiter
                        • Feb 2007
                        • 3907

                        #12
                        I ran Rotella T (15w40, if I remember right..) in all of my past M20's. They all ran great. Don't know how much the oil had to do with it, but I wouldn't run anything else in an old single cam. It's got a solid reputation and the price is great.

                        Comment

                        • jlevie
                          R3V OG
                          • Nov 2006
                          • 13530

                          #13
                          VR1 is a slightly better choice than Rotella T, because of a bit more ZDDP. There is no advantage to using synthetic oil in an M20 engine since the oil change intervals need to remain at the factory specification. That interval needs to remain the same to prevent build up of combustion blowby condensates in the oil. I.E., you can't take advantage of the longer life of synthetic oil.

                          An even better oil in an M20 than either of those is Brad Penn 20w50. But it is much harder to find than VR1 or Rotella T. For more than you ever wanted to know about oil (or filters) wade through what is available at http://bobistheoilguy.com
                          The car makes it possible, but the driver makes it happen.
                          Jim Levie, Huntsville, AL

                          Comment

                          • stamar
                            E30 Fanatic
                            • Apr 2011
                            • 1362

                            #14
                            what about just any brand of diesel oil, like oreilly brand or napa brand?

                            is it only rotella or delo?

                            Comment

                            • whterice
                              Wrencher
                              • Jan 2009
                              • 258

                              #15
                              I ran 15w40 in my previous m20. never ran into a problem and actually had less consumption then when I ran royal purple 15w40.

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