[email protected] the wheels stock? 380hp with cam/rockers and some bolt ons? Either your #'s are way off or the 5.9's are severely underrated from the factory.You are correct, 5.9 360 stock. My truck is putting down about 380hp 400tq. Header's, exhaust, cai, cam, roller rocker's, superchips, etc.
Stock the 5.9 came with about 250hp, 290 tq, at the wheels