It’s Winter. Let’s discuss strokers. How much faster

Yup. The BBM is the most under headed platform out there. It’s hideous. Even the predator head has limits, mostly due to bore spacing.
On a garbage motor home 440, engine masters got a 70hp bump from TF heads on a 7.4 to 1 shortblock. How much more is a head swap worth on a 10 to 1 500?