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 ...

When the 1997 C5 Corvette hit the road it was our first look at GM’s new LS1 powerplant. The all-aluminum EFI-fed mill was leaps and bounds better than the LT1 it replaced and there wasn’t an ...

Since its introduction in the ’97 Corvette, GM’s LS-series V-8 has undergone a process of steady improvement, growing in displacement from 5.7 to as much as 7 liters and nearly doubling in available ...

When the 1997 C5 Corvette hit the road it was our first look at GM's new LS1 powerplant. The all-aluminum EFI-fed mill was leaps and bounds better than the LT1 it replaced and there wasn't an ...