Engines with lack bottom end power?

Phreakish said
It's not a matter of needing the higher stall and gear for the 380hp. It's that to make use of the power available, having them makes it accessible. If you can't get anymore than the 300hp out of the engine until you're already committing a felony, some of the value in that extra 80hp is likely diminished.

That's why I bought a china air gap and smaller cam, Richard Holdener got 350 hp 5000 rpm with similar combo more than enough for at the moment since I'm more interested it being a daily driver type ride for now.

Phreakish said
High output builds want RPM. A higher stall and gearing lets the engine operate where it's making that power.
Or to answer your question with a question: why buy the 380hp engine and never rev it past the point of equality of the 300hp build? Which is effectively what would happen with stock gears/tirese/converter with the 380hp engine.

But technically the 300hp and 380hp makes same power at 2500 rpm and the 380hp makes more power at every rpm point above so even if you never rev past 5000 rpm or spend vary little time there and or above you'd still have more average power, by power curve alone says there's nothing gained for running lesser 300hp crate.