LS engines share a lot of similarities across the line, but they are roughly divided into Gen III and Gen IV versions. There are a few differences between these generations, but a key one that affects ...

A big reason that the small-block Chevy was so popular with the Bow Tie crowd was because for decades it changed very little, making upgrades and interchangeability easy. The same can be said for the ...

It's hard to believe that General Motor's LS series of engines have been with us for 20 years. Introduced in 1997, performance enthusiasts quickly learned all this new design had to offer—these ...