Yes that is correct you will ned to get a tail shaft to suit and also grab the cross member out of the car that you taken the t56 from. There is no electrical work to be done it should work with the t5 stuff. GK
You could use a water to air cooler after your air to air unit. Refrigerate the water supply to the water to air cooler with dry ice and there you go. - intake temps. GK
I do not understand how it would be harder form having rust on it.. I do understand that rust is corrosion and I feel that it would be better if having the chance to treat it. But in saying this it probley will not harm you block for a while yet. GK