[1985 CCX]

Of course!
If you can make it work why not. It's just like any other car.
For the record Cobras did have a spare.

Also save a ton of money. Buy a real 12DL as it is the same as LJ22
You get the real thing for way less $ than the repop price.
LJ22 was the same as the 12DL except with various padstand.
They are around if you look.