Once again I decided to change work already completed. I found the gearbox tunnel was too high and not enough room for my feet so I cut the old one out and re-fabricated it narrower and shorter by 4 inches it also looks much tidier.
Photo 1 The old tunnel.
Photo 2 The new tunnel.
Photo 3 Both side by side.
Photo 4 New tunnel in place but not screwed down.