check these guys out for your clutch -------------->
http://www.powertraintech.com/Files/...0Clutches.html
MOI is even more critical with the large increase in HP.
You may want to consider beefing up the transmission while its out.
Make sure the air gap is set on the clutch installation. Many shops skip this important step because it is a time consuming extra process.
Throw in a remote speed bleeder for the slave. You may need an adjustable master cylinder as well.
Projected CR Ratio?
You will want to know what your breakaway and rotating TQ is and what the gap will be on the rings.
You will love the tunnel plate. Get the thickest ceramic coated one available. The thing gives you three benefits, reduced heat, reduced noise and better handling. I would never part with mine.
I beleive FAST now has an intake for the LS7??? I could be wrong.
Wish you the best on the project.