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Modern Oil for Excelsior Super X

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  • Modern Oil for Excelsior Super X

    The Super X manual calls for Valvoline Heavy or Gargoyle/Mobileoil BB in the oil tank. Iíve done some searching in the forum and on the wider internet and havenít yet found any clear recommendations on a modern substitute. Any advice from Super X owners or mechanics would be appreciated. Not really looking for a debate on this brand vs that brand, but recommendations on type and weight; detergent/non-detergent; multi-grade/straight weight; etc. What are people using? If there is an existing thread on the forum that Iíve missed, I apologize, and please point me to it. Thanks!

  • #2
    No response... 50W will have to do.

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    • #3
      I got a PM response that was useful. Thank you.

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      • #4
        I'm curios what was recommended. I have aero shell w100 in my 18x right now. If there is something better i would like to know

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        • #5
          Originally posted by likemall View Post
          I'm curios what was recommended. I have aero shell w100 in my 18x right now. If there is something better i would like to know
          Good choice, Likemall!

          'Ashless' is ideal for a "total-loss machine", even if its actually only a tired, tortured, war-horse panhead.

          The dramatic differences in mileage/consumption was proof enough for me.

          I have no explanation.

          ....Cotten
          Last edited by T. Cotten; 07-22-2020, 01:41 PM.
          AMCA #776
          Dumpster Diver's Motto: Seek,... and Ye Shall Find!

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          • #6
            Originally posted by T. Cotten View Post
            'Ashless' is ideal for a "total-loss machine",
            I used AeroShell in my total-loss 1928 Ariel on the last Cannonball. I had to install a new guide in Pierre SD, having nothing to do with the oil, so I had the head off there. The piston had no build-up of carbon.

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            • #7
              w100 or w120 ?

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              • #8
                What's Aeroshell going for these days, Folks?

                Asking for a friend sitting on some.

                ....Cotten
                PS: Ordinarily, you could pick some up at D-port.
                Last edited by T. Cotten; 07-22-2020, 01:57 PM.
                AMCA #776
                Dumpster Diver's Motto: Seek,... and Ye Shall Find!

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                • #9
                  I paid $8 a quart at local airport

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                  • #10
                    Originally posted by likemall View Post
                    I paid $8 a quart at local airport
                    Uh oh.

                    My friend can charge more, and still be a BARGAIN!

                    Many thanks, Likemall..

                    ...Cotten
                    PS: I hear he's got cases of it.
                    Last edited by T. Cotten; 07-22-2020, 02:43 PM.
                    AMCA #776
                    Dumpster Diver's Motto: Seek,... and Ye Shall Find!

                    Comment


                    • #11
                      The "100" number may be the viscosity in SUS notation (like H-D 105), it's shown as SAE 50.
                      The Linkert Book

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                      • #12
                        Yes w100-50wt w120-60wt

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                        • #13
                          Originally posted by T. Cotten View Post
                          What's Aeroshell going for these days, Folks?

                          Asking for a friend sitting on some.

                          ....Cotten
                          PS: Ordinarily, you could pick some up at D-port.
                          https://www.airplaneoil.com/AeroShel...hoCPbcQAvD_BwE

                          https://www.aircraftspruce.com/catal...RoCv7oQAvD_BwE

                          This is where i've been buying Philips form - https://www.skygeek.com/phillips-100ad-oil-case.html
                          Last edited by Steve Swan; 07-22-2020, 05:01 PM.
                          Steve Swan

                          27JD 11090 Restored
                          https://www.youtube.com/watch?v=ClUPIOo7-o8
                          https://www.youtube.com/watch?v=LtuptEAlU30

                          27JD 13514 aka "Frank"
                          https://forum.antiquemotorcycle.org/...n-Project-SWAN
                          https://www.youtube.com/watch?v=hNRB...nnel=steveswan

                          https://www.youtube.com/watch?v=RSDeuTqD9Ks
                          https://www.youtube.com/watch?v=bwlIsZKmsTY

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                          • #14
                            Originally posted by likemall View Post
                            I'm curios what was recommended. I have aero shell w100 in my 18x right now. If there is something better i would like to know
                            60wt was recommended by a Big X owner, who is in a significantly warmer climate than us. Went with 50 wt (SAE).

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                            • #15
                              Originally posted by BoschZEV View Post
                              I used AeroShell in my total-loss 1928 Ariel on the last Cannonball. I had to install a new guide in Pierre SD, having nothing to do with the oil, so I had the head off there. The piston had no build-up of carbon.
                              Very interesting, thanks!

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