Carina TA63 GT-TR - Suspension??

[The Doctor]

Maybe you can coax an AE86 front coilover setup on when you also swap over the steering arms (knuckles?? never know how they're called, it's the things that bolt to the bottom ball joint). But you need to find ones which have about the same geometry/shape as your own arms to not mess up the steering geometry.
Top bolts can be drilled in a different pattern to suit.

Still would give you a little bit of positive camber due to the different king pin inclination, but the camber plates can take car of that.

You can also build your own coilover system, RallyDesign 2" ID weld on coilover kit sleeves made for MK1/MK2 Escorts will also fit our Toyota struts.
Take out 4cm of the strut body and use short stroke shocks (i use Corolla AE92 GTi koni yellows in mine, they are 6cm shorter then stock).

//edit: forgot to add that your TA63 front brakes will probably be bigger than ae86 ones.
I can get 13s over my AE86 brakes easily, but my mate can only get some 13s over his AA63 Celica brakes. Not sure if they can be bolted to an AE86 strut, haven't looked into that.