The LS7 is a pushrod 7.0-liter engine, one with titanium connecting rods and intake valves. It'll rev to 7,000 rpm, with a 6,300 rpm horsepower peak, and with more than 400 pound-feet of torque ...

A 7.0-liter engine, specifically crafted for the corner-carving 2006 C6 Z06, the LS7 unleashes a staggering 505 horsepower at ...