The heart of this TBSS, naturally, is the 6.0-liter pushrod LS2 engine that produces 400 pound-feet of torque at 4000 rpm. In case you've forgotten, the LS2 is the V-8 found underhood in the Corvette, Pontiac GTO, and Chevy SSR. In TrailBlazer SS guise, the engine is Miss Manners with a cup of decaf chai-smooth idle, refined throttle tip-in, and a tell-no-tales exhaust burble.Untilyou slide past 4000 rpm. Then the SS wails like Jimmie Johnson's Monte Carlo at Darlington, the scenery begins to blur, and your passengers reach for the Jesus bars.
Heinricy tested a two-wheel-drive version that achieved 60 mph in 5.4 seconds, the quarter-mile in 13.9 seconds, and 0.80 g on the skidpad. Following a brief drive in a similar SS, we have no reason to doubt his sums. Top speed is governed to 130