1. No question - for the average use SBC/SBF/BBC, David Vizard is a good as anyone alive on cam selection. He does know his stuff, no argument.
2. When first introduced, the DynoSim software was a breakthrough for home/low-budget shops. For the first time, anyone could get basic, clear graphic and tabular representations of what one change would do to the power curve. It is amazingly accurate at estimating HP/TQ of what it is given.
a. GIGO (garbage in, garbage out) The key is entering accurate airflow data. Most everyone overestimates the head flow data.
b. The DynoSim program has a cam design function which will take the existing HP peak and design a cam which will maximize the HP at that same RPM. Again, works pretty well.
3. The CamQuest file is a separate program within DynoSim which will pick the best CompCams catalog cam for a given application.
4. Even for Studebaker and Packard V8s, the DynoSim has taught me a lot. They're all air pumps. I just have to supply a lot more of my own data, where you belly-button builders can call up existing files.
Studebaker-Packard V8 Limited