I bought sub connectors - Jeggs brand $125. Check out this link on modifing the subconnector and NOT your floor. This what I am currently installing. Have to say, need more mods than what the article showcases. I will take some pics tonight and post with more explanation.
http://www.hotrod.com/articles/pon-0...ector-install/
Make sure you click on the picture at the top of the article - there are 13 pictures that tell the story!