Small block bottom build horsepower limit

I just want 500ish hp.... nothing insane.. well.. 500hp that i can beat for years and never worry bout :)
500 hp no problem my 426 stroker ran problem free for 2 years10000 miles before i put it in storage 8mpg at $8.40 a gallon was to rich for me
depending on intake it made 512hp 560 tq or 527 hp 547tq