Freebeard : Plan was to use that as a fiber glass plug but we will see how it goes... reason for not "sealing" the surface yet is purely to see if other mods needs to be made.... and first want to finalize the tail box a bit more... its gone through changes and now already making revision 3.0 of it.... lol
For the bottom side - yes, ideas / plans are there but haven't had a chance to look into details how the actual bottom of the truck looks like... have been there million times but not for this purposes... but yes, it's coming stay tuned...
