kmoses wrote:I had to remove the rear crossmember to repair the lower trailing arm mounts on my spider. The rust was not visible from under the car until the undercoating was scrapped away.

These pics were extremely helpful. I've got a good idea of where to start now.

Do any vendors sell the rear crossmember? The floor pans are faily easy to fab, but not sure about the crossmember.

Hi,
i dont think that You need to replace the whole crossmember!
I ll try t oshow You how i fiexd this rusty area

This was my starting point:


And here is my fix:


I have choosen to repair the metal from the underside and Welded the crossmembers part ( wich where made out of sheet) in place, after that i closed the floor.