Maybe an other head producer in the game.

Newbomb Turk said
Yet, it won’t sell because it’s too much hassle to make power like that.

Put a hair dryer (or two) on it and send it. You can easily do 1500 hp like that and not use an offset rocker.

Many guys like myself dislike power adder engines. End of that story. I see more test n tuners playing with them than I do weekend racers.