Another quick update, I received my manifold and fuel rail from a local shop. I had the ebay TB flange cut off and a GM LS flange welded on. I also had the fuel rail shortened and a 90 degree 8 AN fitting welded to the end (to clear the clutch master).
Here is how it looks:
The new GM LS flange:
Here is a close up of the fuel rail fitting. Yes it looks ugly but I plan to clean it up before final install. The important thing is it won't leak and the injector housing has not been affected by this:
Here is the fitment with the rail installed, pretty good clearance all around:
Close up of the manifold by the brake booster:
This is an easier and cheaper solution than spending thousands on other intake manifolds. Any questions, please ask