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 ...

It’s no secret that the easiest way to make more horsepower is to bump up the size of your engine. And, since an engine can only be overbored so much, the next, most logical, step is to install a ...

Yeah, we know LS mills are crazy popular, but lately it seems the trend is to add boost to the party since it's an easy way to add a lot of power without having to turn your stroked LS into a ...