Not that it hasn't been done before (by myself too), this sounds more like a 'hodge-podge'than a well thought out engine package.
IMO, unless you've misquoted on the manifold ("Performer intake"?), sitting a 750 cfm on top of a 5,000 RPM intake is not going to help make HP...just produce poorer throttle response and gas mileage.
The car's not that heavy...the 3.50 gears are 'OK', and the torque converter will help get it all going...but a good part of the benefit of the CJ valves in those large port heads will be wasted when the intake runs out of breath.
If that's how it's going to be, then I'd suggest a Comp 275DEH cam, and try a 650 cfm carb. At about 10º more timing than the stock CJ cam, you can run it to 6,000, but it'll work better letting the C6 do full-throttle upshifts at 5,400-5,600 RPM. The dual-pattern design will help the exhaust side work better, which in turn will help the intake side.
Again, just my opinion.
"In theory, theory and reality are the same. In reality, they are not!"