How to reinforce drop through deck for top mount?

[glyphiks]

Deck Extension?

Dudes. [20200329_161046] I have this Rayne Demonseed and it’s previous owner gave it a really shitty chop. I want to fix it back to original shape, but also extend the wheel base by about 1cm each end. [20200329_163216] Extending the wheelbase will put my bolt holes really close to the chop line which is probably not ideal. But thats what I want My plan is to use this fibreglass plate and epoxy it to the top of the deck, then fill in the whole drop through cutout and the missin…