d3wp

You mean recreate whole site to WP not just an admin section ?

The site is custom made and very fast, highly optimized for what it does but admin area speed is not a big deal. This is why I think to move admin section of the site to WP admin area. I need to just move an admin section. Front-end of the site is OK , no need to make any modifications in opposite admin section needs to be recreated as it needs a new functionality and flexibility.