nothing is needed really. unless the idle air control valve, and throttle position sensor arent on the new tb, or arent good. those are different from the ones on the 2.4. what i had to do was trim quite a bit off the throttle cable holder (black circular part), and maybe some off of the intake manifold. also, unless you find a 2.3tb with cruise control, youll have to remove or at least tuck away the cc cable. and, the 2.3tb only uses 2 of the mounting bolts. i cant really think of anything else right now.
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