.....the holes where all 'Man Made' at sometime or other durring its racing years......It would have been right at home as a 'Spagetti' strainer........hard part was in the early stage of .."How do I do this"????....was to work out which holes we would need in the final assembly stage...So!!!......'Fill'em and re-Drill'em'.....seemed the best policy.................regards thunder427/MJ...Shano, pleased your enjoying the re-Build by photo process...........regards MJ