Simple. Find a turbo coupe in your area, buy it and use it as a donor car. Motor, tranny, rearend, computer, brakes, seats, etc. Tons of stuff you can swap over, plus a million extra nuts, bolts, brackets, etc. Donor car is definitely the cheap (and smart) way to go. Check out mine. '89 Mustang 'vert with an '87 TC donor car.