Viper Joe,
I kinda had the same thoughts as you.
On race cars we build a new motor or re-build a motor, we toss it on a dyno, "burn" it in at 1,500 to 2,000 RPM's for 10 min or so, run the valves, and then rip it wide open for 4 or 5 full dyno runs.
I was wondering if the V-10 break in is...