What does it take to add 175 horsepower to your LS motor? The usual answer is forced induction, but what about a simple cam swap? Such a cam must surely combine the wonder of Elvin magic with the ...

Ed note: Sources for quotes and related information: Doug Rippie Motorsports, General Motors Technology Group, Hypertech, Inc., Jenkins Competition, Lingenfelter Performance Engineering, and Lunati ...

More than 20 years after the first Gen III LS1 V8 rolled off the assembly line for the 1997 Corvette, it seems there are LS cylinder heads everywhere, and even more stories that have tested and ...

The Gen III engine has proven itself to be quite a performer since its inception in 1997. In its most potent LS6 variant, it reached 405 hp thanks to improvements in cylinder head design and a lumpier ...