Get those shifts in faster and I think you can pick up those 2mph you're looking for.
200mph out of a 3800lbs.+ camaro is going to take power... atleast double of what you got with that H/C setup. I don't think a TVS is going to cut it either. Your going to need some headroom... IMO, about 1000hp crank or a tad more to get there consistently.
If that is what you have in the works, then, HELL YEAH!