T5 swap question

Well my auto is officially taking a crap on me. I have no overdrive, it just revs freely, and now 3rd gear slips like hell.

Sometimes when taking off I go nowhere either, it stays in gear when it shouldn't, etc.

I just have to convince my dad!! He'd rather buy a freakin rebuilt AODE then do this swap.

He really thinks that we cannot do it. I believe that we can