Inside the Diesel Lab: Racing-Driven Upgrades to Cummins Engines

Discover how high-performance racing is revolutionizing diesel engine remanufacturing in this powerful episode of Race Industry Now. Jeff Hammond (NASCAR Crew Chief Champion, SiriusXM) sits down with Drew Pumphrey, Founder of D&J Precision Machine, to discuss how competition-driven innovation is reshaping the durability, power, and precision of remanufactured Cummins engines.From humble beginnings in a small shop to operating a 30,000 sq-ft facility, D&J’s journey is fueled by passion, performance, and pushing boundaries. Learn how they apply cutting-edge racing technology — including forged connecting rods, custom intake manifolds, and CNC machining — directly into their reman lineup for real-world benefits.Whether you're into diesel performance, engine building, or motorsports tech, this episode delivers unmatched insights into the future of engine innovation.🔧 Watch now and subscribe for more industry-leading content every week!#DieselPerformance #CumminsEngines #Remanufacturing #MotorsportsTech #EngineBuilding #HighPerformanceDiesel #DJPRecisionMachine #RaceIndustryNow #EPARTRADE #RacingInnovation #WebinarSeries #AutomotiveEngineering #SiriusXM #JeffHammond