I pulled the cab off the frame, and lifted it up and back so that I could work on the firewall again. I decided to slice it all back out and start again as it overlapped instead of butted in places. After a lot of work it ended up a lot neater on the left hand side, and I started slicing up the bottom edge to try and bring it back in but keep the shape of the stamped ribs on the bottom edge. It ended up like a little shelf, and I don’t like the way it looks so I’ll do it again I think.
While I was looking at what i could do to the right hand side, I decided I hated the way it was hacked about for the brake booster and the column, so cut the booster mount out and trimmed a spare bit of ribbed firewall in its place to bring it back to how it should have looked. With that tacked in, I drew a square to cover the column hole and cut that out as well. After a lot of measuring and re-measuring, I cut a replacement piece, then shaped the curve at the bottom and the flange to match the edge of the pedal hole that was missing. Hard to see in the pic as the part on the left is bent down, but it’s not too bad at all. Once that’s all in I’ll chop out the other badly repaired bit on the other side of the rib and carry on with my patchwork quilt!