SEM epoxy seam sealed, wurth etching primer, wurth weld thru cold galvanived primer between laminate sheets of steel. There is no bare metal. Even inside reconstructed areas has no bare metal. Welded joints are treated with zinc that melts into the weld area.
Click to view attachmentWe fitted 911 e-brakes as well. However, the bearing cover is from a 1968 911, and does requires some massaging to fit. The bolt holes had to be filed about 1mm to line up with the trailing arm, and the cover interferes with the hub as it gets pressed into the bearing. The hub is in bind and will not rotate.
Click to view attachmentSean was able to trim the cover down in situ.
Click to view attachmentEngine back in car, almost all done.
Click to view attachment