Performance Trends www.performancetrends.com +1 248 473 9230 PO Box 530164, Livonia, MI, 48152, USA Performance Trends www.performancetrends.com +1 248 473 9230 PO Box 530164, Livonia, MI, 48152, USA Performance Trends is one of the largest producers of high quality, high tech computer tools for today's racer, engine builder or performance enthusiast. Performance Trends started in 1986 with the release of our popular Drag Racing Analyzer computer program, quickly followed by the Engine Analyzer. Since then, we have expanded the product line to 20 engine building and racing computer programs. Contact Us Contact Us Latest News Shock Dyno Data in DataMite Data Logger Why do we flow heads at 28″ water? Besides CFM Flow, what can you measure on a Flow Bench? Suspension Analyzer v2.4B