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 ...

Bored and at home, we asked the guys at Summit Racing, "What's the biggest camshaft for a stock LS3?" They gave us the SUM-8710. It fits any 2008—2017 Camaro or Corvette 6.2L LS3 that does not have ...

Builders interested in upgrading their project vehicle’s LS V8 engine with a big, bad blower should check out FAST’s new supercharger and cam power package. Recently revealed at the ongoing SEMA360 ...

Back in part one of our new GMPP LS3 testing ("Late Crate Update," Oct. '10), we subjected a factory-fresh LS3 crate motor from GM Performance parts to a series of performance upgrades, including a ...

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 ...