Big Block Powa!! ??

I was watching a couple of recent Nicks Garage you tube videos the other day. I think those guys do a pretty nice job with them.

The two videos I am referring to are one of a 426w with a single 4bbl, and a before/after rebuild of a 440-4.

In 30 years of dyno testing...... I don’t recall ever testing any BBM that made those kinds of numbers.