Go for it then, if you can afford the half million a month and also become a full time mechanic for it.
That old mazda has good weight distribution and good manners for drift too.
The bmws mentioned require gusseting of the rear subframe mounts (not a job for “gas battee welder) or you will have a car with the rear carrier ripped and lying on the road.
A good hydraulic lockout conversion of the rear brakes will cost you a bunch and so will modding the front spindles.