I may be mistaken, but did I see an 05 that had been converted back to the mechanical throttle control? I'm sure I am, but just wanted to be 100%.

 

Electronic Throttle Control – Steady Hand on the Power
Mustang’s sophisticated electronics system – five times faster and boasting up to eight times more memory than the previous generation EEC-V powertrain control module – constantly monitors an array of sensors to make thousands of split-second decisions.

The most important sensor for the all-new electronic throttle control system is the one at the driver’s right foot.

Mustang’s powertrain computer infers the driver’s intent from the position of the accelerator pedal. It continually matches this information against other data – like engine speed and load – and electrically operates the throttle-body at the front end of the intake manifold to achieve results the driver demands.
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For more info seehttp://www.fordmuscle.com/archives/2004/01...ng/index1.shtml