I am building a 408 stroker, and I am just kind of curoius of how much power a N/A 408 should make. I have stage 3 CNC LS1 heads w/ 2.08, 1.60 valves. A .608 .612 240 244 112 cam, LS6 intake, and the compression is going to be around 11:1. Thanks for any ideas, Mike

 

Around 450 to 500rwhp with the specs you gave. That's SAE.. The range is so broad because you gave no information on the exhaust.

 

As far as exhaust goes I have the hooker long tube headers, and I was going to put bullet mufflers off the headers with turndowns.