Hi!
Great solution!
I built real 1/1 rods for customers, and this is exactly how we "hang" hood sides. On 1/1 cars, there are usually an index pin at each end of the hood side support bar, that slides tru a corresponding hole in the upper "fold" of the side panel(s). This way, they don't move around. A Dzuss fastener secures them at the bottom. The hood top is also drilled, and gets indexed at the perfect location whenever you close it.
Of course, at this scale, you can skip that.
Great, I can't wait to see the finished car!
CT