How do you fix this?

Up to plan B then, excuse the pun. How do I fix this knowing it is a B or E trans, and not an A.

Do they make humps for this type of thing?

Maybe I cut the floor out some more, so I can raise the trans a bit, then get/modify a new crossmember and work to secure the whole thing up with some plates?

Surely, someone has been down this road before me.

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