OK, Here goes:
Grey Supra, White Supra, Black Supra, now Red Supra. 4 motor installs. I parted what was left of the Grey car, Parted the 2 cars traded for the black car, and parted a red one. So 4, cars, 4 installs, and 4 part outs. If we don't count all the sawblades, it's only one set of...