Thank you to everyone for the replies. I didn't have time to read this thread before I left this morning but I did a bunch of research last night, mainly from past replies on 350z and Evo forums.
Basically what I did was:
1. Car soap and warm water
2. WD40 - sprayed everywhere then waited 10 minutes.
3. Used Nevr-Dull
Here are the results after 4 hours of labour, pictures don't even do it any justice:
Main problem: I can't get the rusted bolts on the tips off.