Suggestions for new design Aluminum Mopar SB clean slate (kind of) cylinder heads

Using horsepower to determine port size might not be be the most accurate way to determine port size but it's the only information provided so far. I think it will work for starters until more details are known about the crate motors they will be used on. Comprises will have to be made. What is optimal for one version of crate motor offered by Blueprint may not be optimum for another version.
All that said the process to think about how it can be made so that it could be tailored for individual engines and at the same time meet the requirements Johnny has laid out for his engines can still happen.