383-inch LS built from 5.3L Vortec blocks makes over 540 hp on the Westech Dyno If you know a few pieces of information, you can turn a Vortech 5.3L block into an LS mill making way over 500 hp ...

Since their creation, the GM LS engines have been some of the most acclaimed small block V8s ever ... A few years later, those numbers increased slightly to 350 and 365, respectively, when ...

However, it's also possible that LS blocks might continue to reign ... Are A Tried And Tested V8 Design While the LS engine ...

The LS is from the second family of small blocks (from 1997 onwards), following ... powerful V8 capable of big horsepower numbers. The V-8 engine has been around for over half a century, but ...