according to Torvec's latest announcement, the IsoTorque can free up horsepower and increase tire life over a traditional differential system. http://www.gmhightechperformance.com/tech/new_products/1101gmhtp_january_2011_performance_parts/index.html http://www.gmhightechperformance.com/tech/new_products/1101gmhtp_january_2011_performance_parts/photo_05.html