I've got a celica 5 speed that was in a Torana I bought years ago.
It's buried in the shed somewhere, but my memory is that it has a few different block off plates on the top of the box for optional shifter positions (as mentioned already), so you will be able to sort something out. Have a bit of a play around and I'm sure you'll work it out.

You could stick a pair of buckets in too.....