64studeavanti Posted January 31, 2022 Report Share Posted January 31, 2022 I am in the processing of painting my rotors. The authenticity manual indicates that they should be black. However, the pair I am working on is silver. I have several other sets that are silver. Does anyone know for sure? Link to comment Share on other sites More sharing options...
psdenno Posted February 1, 2022 Report Share Posted February 1, 2022 Painting rotors or calipers? Link to comment Share on other sites More sharing options...
64studeavanti Posted February 1, 2022 Author Report Share Posted February 1, 2022 Rotors, actually the hubs. It is clear that the calipers are silver. Link to comment Share on other sites More sharing options...
Leo B Posted February 2, 2022 Report Share Posted February 2, 2022 Did you mean like this? I have black like IS part. I think Authenticity manual seems to be a reliable guide. https://www.parts123.com/parts123/dyndetail.pta?catalog=0001003a&uKeY=AARDH Link to comment Share on other sites More sharing options...
64studeavanti Posted February 2, 2022 Author Report Share Posted February 2, 2022 FWIW, there are obvious mistakes in authenticity manual. For example, it shows an "original" fuel pump. Since it has 8 screws, it is one of the retrofitted mopars. The picture you show from SI is a repop hub/rotor. I have 6 sets of rotor/hub on my shelve. So far they have all been painted silver. That is why I am questioning. Link to comment Share on other sites More sharing options...
Leo B Posted February 2, 2022 Report Share Posted February 2, 2022 Hi, Here you see Rotor/Hub which has been unpainted since at least 1976. I don't know anything before that year. All of these are now sandblasted. Looks to me that hub was paint lightly black. Link to comment Share on other sites More sharing options...
Leo B Posted February 2, 2022 Report Share Posted February 2, 2022 7 hours ago, 64studeavanti said: FWIW, there are obvious mistakes in authenticity manual. For example, it shows an "original" fuel pump. Since it has 8 screws, it is one of the retrofitted mopars. The picture you show from SI is a repop hub/rotor. I have 6 sets of rotor/hub on my shelve. So far they have all been painted silver. That is why I am questioning. Yes, You are right about fuel pump. I have original one to compare. Link to comment Share on other sites More sharing options...
64studeavanti Posted February 2, 2022 Author Report Share Posted February 2, 2022 Good thing about paint is that you can change color. I will go black for now. It is a puzzle that everything I have is silver including the grease caps. Link to comment Share on other sites More sharing options...
Leo B Posted February 2, 2022 Report Share Posted February 2, 2022 (edited) I have learned that there is no single truth. In those years, car and motorcycle manufacturers bought parts from subcontractors as needed. Manufacturers did not purchase parts for the full year need. This means that the parts may be different during the year. Some rotors might be painted, some not. Might be that there are two facts. I learned this when I was restoring my Italian bikes. In this advert you see unpainted rotor. Might be prototype??? http://www.ritzsite.nl/63Stude/05_63stude.htm Edited February 2, 2022 by Leo B Added the link. Link to comment Share on other sites More sharing options...
64studeavanti Posted February 2, 2022 Author Report Share Posted February 2, 2022 (edited) First, I applaud the efforts of those who compiled the authenticity manual. No small undertaking. By and large, what they were able to document they did an very good job. However, with any task of that magnitude, there will be some mistakes. That being said, you may be correct. The rotors/hubs may have been left unpainted. That would have them appearing on the black side. No matter. As I stated, I will go with black for now. I can always paint them a different color later if necessary. Edited February 2, 2022 by 64studeavanti Link to comment Share on other sites More sharing options...
64studeavanti Posted February 7, 2022 Author Report Share Posted February 7, 2022 After looking closely at the shop manual, I believe that the rotors as well as the rear drums came from the factory a natural black as cast - not painted. I did find some material to restore the as cast color (insta-black 333). However, I already painted them, so I will live with that for now Link to comment Share on other sites More sharing options...
Avanti1963! Posted February 10, 2022 Report Share Posted February 10, 2022 I was told be a reputable Studebaker restoration shop that they were left as a natural cast finish. Link to comment Share on other sites More sharing options...
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