The L99 is a 400-horsepower engine while its fraternal twin--LS3--is rated at 422 hp. The difference lies in the valvetrain; as the short-block, heads, and intake manifold are identical. One small ...

If the Chevrolet Corvette is known for one thing, it's speed. Speed is relative, though, and our expectations have grown over the years. Every Corvette generation has beefed up the specs, and one ...

The L99 joined GM's engine lineup in 2010 as part of the fourth generation of the company's Small Block V8 engine family. It features eight cylinders in a "V" configuration that sums up a displacement ...

You can pick your nose, but you can't pick the engine for your fifth-gen Camaro SS--those who opt for the automatic transmission get an L99 under the hood while a manual transmission-equipped ride ...