These are text-based files containing specific timing data, including intake/exhaust lift, duration, and lobe separation. Using these files allows the software to calculate precise valve-motion diagrams and acceleration rates for different lifter types (hydraulic, solid, or roller).
In Desktop Dyno 2000, these files act as digital blueprints for the two most critical factors in engine performance: airflow and valve timing. Desktop Dyno 2000 Cam and Head Files