Will GM 200r4 work with factory floor shift location?

You do know that if you have subframe connectors it makes the job of fabbing the trans mount much much easier??

treblig

The way these specific subframe connectors are made, there is a gap between the subframe connector and the floor that's about 6 to 8" long. And it's right where an added crossmember would go. Here's a few pics showing the connection of the subframe to the torsion bar crossmember etc.