Some years ago I started taking videos of some of the dyno sessions we do. I don't know that this is unique, but I do think they're better quality vids than most I see. You can learn a lot browsing through and seeing the mods and the results.
I try to be consistent and include the modifications, what gear the car was in, what was the correction factor, and of course the horsepower and torque. (I also display the hp and torque in big numbers at the end for people viewing the vid on a little tiny screen.)
One recent video:
You can find our whole library -- 260 videos and counting -- HERE.
--Dan
Mach V