Top Swap: Let your LS3 breathe easier and make more power with an easy LSXr intake manifold upgrade from FAST Swapping intakes for more power is nothing new in the world of performance. Even with the ...

For more than four decades, Lingenfelter Performance Engineering has been churning out a slew of wild high-performance products, from engine upgrades, to parts, to crate engines. Now, the tuner is ...

When the 1997 Corvette was new it was fielding a very potent powerplant: the Gen III all-aluminum LS1. At 345 hp it made the Corvette pretty fast. But as they say "that was then and this is now" and ...

For Part I, covering the new combustion system, direct injection, and active fuel management: click here. For Part III, covering the block, crankshaft and lubrication systems: click here. Continuing ...