Just installed BBK 78 mm Throttle body on my 03 GT and thought I would share some issues that you don't see on YouTube videos. Removing stock TB was easy enough ,problems came when swapping tps .I could not break the old screws loose (been there 17 years) two mangled screw heads later had to buy new tps. May have been easier with TB still on car. Next comes plastic vacuum line adapter,I could not get it threaded flush which kept auto air control plate from going on straight. Now I could not...

2003 GT BBK 78 mm Throttle body install