2006 chevy25000hd nwith 6.0liter how much horsepower
HD Trucks. The base 6.0 liter V8 was put in the Chevy Silverado 1500HD, 2500HD and 3500HD from 2001 through 2006. This engine produced 300 horsepower at 4,400 rpm and 360 foot-pounds of torque at 4,000 rpm.t had a bore, cylinder width, of four inches and a stroke, piston travel in the cylinder, of 3.62 inches and a compression ratio of 9.4:1. The 2007 through 2008 Chevy 2500HD and 3500HD had a version of the 6.0 liter that produced 353 at 5,400 rpm and 373 foot-pounds of torque at 4,400 rpm.