360 HP estimate

Imo, A better approach to improving the engine performance would be to lay out the performance goals for the vehicle, along with some of the overall combo details(gears, converter, primary usage, etc), along with the desired hp range you’re after.
Then people can post up some recommended “packages”.

Before getting too carried away, you should figure out what your budget for the engine is……..to see if the budget and performance goals are close to being on the same page.