More Power With Less Boost: Banks 1,200-HP Tri-Charged Duramax

Gale Banks quest to twin-charge a 7.0L Duramax Diesel engine has been two and a half years in the making, and is still ongoing. While he reached his 1,200-horsepower goal, he still has theories to test.Gale Banks quest to twin-charge a 7.0L Duramax Diesel engine has been two and a half years in the making, and is still ongoing. While he reached his 1,200-horsepower goal, he still has theories to test.