So the actual diff cup is the same size as the 1/8 scale diffs?
No they are not the exact same size . All the big beval gears are shaved down . They are the same size in diameter as in a 1/8 but are thinner ( shaved down ) . So they have a shallower cup, but not by much.
No they are not the exact same size . All the big beval gears are shaved down . They are the same size in diameter as in a 1/8 but are thinner ( shaved down ) . So they have a shallower cup, but not by much.