Obviously, that power rating will vary based on the engine’s condition ... more power from a naturally aspirated LS. For his first test, Holdener used a cam with a .552 lift, 212/22x-degree ...

However, it might not be that way forever. LS engines are currently easy to find in both new and used forms, while LT engines are generally tougher to find for cheap. Fast forward a decade or two ...

Given the enduring legacy of LS engines and the fact that they are still being used in GM vehicles today, there's no shortage of information available about the line's development and history.