My plans show the CG just in front of the LE on the bottom wing. The lightening could still be done, just start out with small holes. I used the inner fuse doubler as a guide when I did mine. The fuse was built, but the turtledeck and the bottom corner pieces were already in place. Once you get one side opened a little, just use a long pin or something to poke through the other side to mark your holes. It's time consuming, but it will save you a pound. A whole pound, man!

EDIT: I neglected to see that yours was covered already.