Also been working on the tunnel. The clearance hole for the Toploader is now there, and I’m working on making the tunnel looker close to original. I’m not carpeting the tunnel top and sides, so I’ll be adding a 16 gauge (1.6mm) aluminium alloy sheet to the top.
Tapping one of the holes near the roll-over bar strut needed the slow approach:
This is closer to what it will look like (alloy sheet in place, but no screws yet):
I'll wait until the engine and gearbox are in to cut the hole in the sheet
Cheers!
Glen