From another member who has done just the 6-speed SVT tranny swap
Originally Posted by Mile30
I've been running that swap since 2005, with stage 3 clutch and lightweight flywheel and IT CHANGED THE BEHAVIOR SIGNIFICANTLY! I'd blown the mtx75 up and it cost damn-near the same amount to upgrade the whole gearbox AND the parts inside it... one of the best changes I've made to the car!
I might be able to help you out with that:
03 Silver SVT ZX5 part-out