Power limits for LA small blocks?

You do not need 500 hp in a A-body to run 11's.

I want to keep the interior untouched and
You do not need 500 hp in a A-body to run 11's.

I want to keep the car in full street trim. I dont want to do anything to the interior and possibly only a glass hood. I also would like to be able to run it with a streetable gear. I am sure some guy is out there running 11s with a full interior and 3:xx gears but that is not easy.