You know, to keep things simple, you could always go and snag a complete 5 lug from a 94/95 Mustang. This would also swap over to disc brakes at the same time.
Go to the Tech section of the forum, Essential Mustang Tech Discussions stickied at the top, and click "Drum to Disc Conversion". It'll give you all the info you need.
Nitrous is like a hot girl with aids; you want her, but you're scared of what she can do.