Hot Rod Garage took an '86 Thunderbird TC and brings it up to modern turbo tech:
I bet the same results could be had in the same year Cougar TC
I like it! that’s a neat build and big improvement in hp. The sad part is my 08 Cobalt SS 2.0 turbo makes 260 hp stock and with a nothing more than a computer tune I have it at 300 hp. Just gives you a sense of what technology has done in a 25 year span.