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 ...

A dyno test showed dangerously low oil levels can produce a 10 percent horsepower bump in an LS V8—for one run, at least. It’s Sunday, Sunday, Sunday, and do I have an offer for you! No, it’s not ...

Getting in on the ground floor of new automotive technology is always cool, but there’s also a downside. Namely that later versions typically have all the bugs worked out and there are far more ...

Back in 2004, GM Performance Parts shipped us a complete LS1 to evaluate. Looking back, we really threw the hammer at this one. We tested every off-the-shelf cam, manifolds and cylinder heads, ...