Road Racing Duster 6.4 Hemi E85 6 speed Ms3 Pro Evo EFI

What are your thoughts on cutting the firewall and moving the engine back behind the front axle centerline? I think the common thread on all the cars you've posted is that they all have the engine moved back. Also a flat floor would make a world of difference in terms of aero if you really wanted to push the limits of handling.