If you want to run high 10's in an A you sure don't need 600+hp deal. 520-530 real FWHP in a good chassis will get you there.
This is true.
He was involved in a big SB engine that was a pile. Machine work was horrible. He threatened me with legal action because I said something about it. His next call was to my friend! My friend mentioned he got a call from him out of the blue. Never heard from his lawyer... truth is the ultimate defense.