Yep, he did say that the dyno figures that out, and you can go see the difference it calculates. As to how accurate it is, we're not totally sure. However, yes it's quite a difference in conditions! (more so for humidity iirc)
I guess technically the C8's fit and work but like all aftermarket cams, not optimally out of the box.
I didn't expect the difference to be quite like this, granted the rings clearly aren't helping eh.
Thank you for taking a look