I decided to use the design of the early, early cars for the front box-structure reinforcement. This is one large bar, compared to the later smaller triangular pieces. This bar sits between the front a-arm mounts and also closes the box structure up somewhat, thus providing af stiffer and less flexphrone front subframe.
It's a true copy of the original design on #1267. I added several drains at the bottom. Here is the bar being fitted