Air Power: Holley’s iNTECH cold-air intake gives a 5 percent boost in power to LS3- and LS7-powered C6 Corvettes Feeding an engine cooler, denser air adds power—and C6 Corvettes are no exception.

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 ...

Back in the early 1990s the Gen II LT1 and LT4 engines powered GM's hottest performance cars, but GM read the tea leaves and knew that this platform would not be able to get them where they would ...