Competition Cams 186011 Pro Racing Sim Desk Top Dyno 5 Software Detailed graphs display projected hp, torque, volumetric efficiency, engines pressures and more QuickIterator automated testing tool helps find optimum component combinations for virtually any engine application Includes combustion chamber modeling, improved accuracy and new component choices to put you within 5% of real dyno data Displays results at 500 rpm intervals from 1000 to 14,500 rpm