This looks like it could be a very interesting series of videos. The first brings back many memories of taking mine apart.
How far did you get with Mr Croker's other vids? https://www.mx5life.com/forum/index.php/topic/46483-geoffrey-croker-restorations/?hl=croker
To be brutally honest with you, Jono... ...not far at all. It rather reminded me of having to read Will' the Bard's Henry V at school for GCE Eng. Lit.