Here's the hole padded & taped over.
Panel drilled & trimmed
Painted & fitted.
After that (& polishing the Q's bonnet some more) I looked at the bonnet hinges because the bonnet was wobbly. What I found was the "hinge pins" were actually the plastic tyrap(ish) things used to hold a rad fan on. Kit cars eh? (sigh) 😁
It's not as wobbly now.