hi! the inline 5 will be the optional engine in the S-10 replacement, the colorado. its simply the 4.2 liter six, from the trailblazer, with one cylinder lopped off. i think i remember it being rated at 225 hp. the base engine will be a 2.8 liter 4, same deal... 4.2 with 2 cylinders removed, rated at 180 hp. there should be more info available at chevy's site,
www.chevrolet.com bucky