I just did mine last week, but I have acess to a lift.
The lift made things easy and also a tranny jack.
The fuel tank has to come out.
Are you rebuilding the diff your self?
If so contact
http://www.reiderracing.com/home.htm
Talk to Jeff he is the guy who builds all of the diff's for ERA
He will send you everything you need.
I just rebuilt my diff if you like I will walk you throught it send me a PM and I will give you my # so we can talk.