FWIW...you can check out my thread on my avatar "The 72 Demon Follies." The 408 combo is right up front in the thread. Pretty mild relatively speaking. If I had it to do again, I'd add about 8-10 degrees at .050 to the cam duration as these strokers eat up duration. But the car as is has gone
[email protected] in the quarter at a DA of roughly 2100. I think that meets what you said you wanted a low to mid 11 sec car.
Hope it helps!! 408's are a hoot for sure!!