BWAHAHAHAHAHA!!!
Dan,
You just got explained to as if you were a kid! Brute thought you had no idea what a lockout does!

Since you haven't tried to push your rig yet, you don't know- but at top speed every little bit of power you can save the motor helps you do more. It's not only that at 55 or so the motor is close to red-lining, but at that speed it's almost played out. The lockouts help that 230 get back a couple of horses and it, in turn, can turn those re-claimed horses into a few extra MPH. The lockouts do make a difference, but a difference you can only tell if you have the stock motor. If you swap it out to a 350 or something else then you can't tell if you have them locked in or out....but with the 230 it means the difference between climbing a hill at 55 or chugging down to 45.

I, too, did the lockout, 2 barrel, civvy distributor stuff in an effort to get more power. This is how it was for me:
Lockouts got me a noticeable difference.
Distributor swap got me a smoother running 230, but no noticeable power.
The 2 barrel swap was what did it. I was then able to wind the motor up so that it sounded like it was going to tear apart......and then one day on the highway I got it to 65 and it tore apart. Red-lined for too long and ate the cam.

It's all about freeing up horsepower.
-B.