Timing belt failure.
Transmission died.
Oxygen sensor failure.
I will not buy this car again. Sure it has speed, that's about it. This car is for someone who wants pure speed at a low price. This car allows the average Joe, to own a fast car, and feel powerful.
All bragging rights, nothing more. No space, all lightweight, it might be able to outrun some of the more expensive cars out there, however keep in mind those expensive cars have much better designs, and can balance the car out properly.
I won't buy a Ford again.
What do you expect from a car that is 10 years old and has 123,000 miles, which now has 167,000 miles. This is a real testament to Ford engineers and production.
Just curious... You mentioned that the timing belt failed. Unless I'm missing something here, this car should have had the 5.0 V-8 which would not have had a timing belt. (Only the 2.3 4 cylinders had a timing belt...) Was the car a true GT?