Merlin, it looks like you don't need one but if you do I'd be glad to help if I can.
I've found your posts very interesting as I know very little about wet layup vacuum methods so will watch your build and learn something new.
Hello, I'm not building a GT40 but I am building a flat 6 air cooled mid-engined, tubular steel space framed, carbon fibre bodied pre-73 Porsche 911. During my research this forum keeps coming up as the font of all knowledge of Porsche G50 gearboxes used in mid-engined installations.
As your...