Power limits for LA small blocks?

IQ52 said

After witnessing Ironmike's struggles, I don't think there are a great deal of people falling off that 550 HP by 5,500 rpm, 408, Edelbrock headed log.

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I did it the first time in 2000 on a third party dyno. It's even easier today. I told IM I'd donate all my W-2 stuff to him, but I didn't want to cut the decks that far to get the CR he needed plus all the porting on the heads and intake and I get to pick the cam.

So yes, as easy as falling off a log if done correctly.