Good buildup to reach 400+ horsepower 302 truck

[Ieatcamaros]

First off, you have your compression still set at 9.0:1. After reading Dark5.0's response to mine, You should have it set to 9.25 or 9.5:1. I had mine set at 8.75:1. I didn't save it and I am on the wrong computer to redo it right now. You have a dual plane manifold selected. That is a carburetor manifold. You should have selected sequential fire injection. I entered 800 cfm for the flow, but I don't know what is correct for that manifold. I am not a fuel injection kind of guy, I like carbs. I had the same head data as you, I am pretty sure anyway. The only other thing I noticed was in the cam. The lobe center angle should be 112.