Check out AndyF's AREngineering website for dyno articles. He made quite a bit of horsepower with the Edelbrock 800s.

As most high performance bigblocks came with Carter carbs, an Edelbrock 800 on a CH4b would look closer to stock than any Holley.

The 750 Street Demon will bolt on your stock TQ intake and should be a very good carb.

R.