horsepower guesses?

I think it will make more. That's what my 360 made with less cam (XE268H) and EQ heads.

My guess is about 425 to 450 HP

Here's my Engine... (403HP and 438TQ)

https://www.youtube.com/watch?v=Fqr-Af66XAI

That dyno looks familiar. Wouldn't happen to be in Indio, would it?