We put together a budget 5.7L LS engine (327 cubic inches) to show that you don't have to go broke to enjoy the benefits of an EFI-equipped LS engine in your classic Chevy. The engine ended up making ...

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 and out-displacing an LS3! To prove it we dyno one at Westech Performance.

There is nothing like a big nitrous backfire to destroy a perfectly good test motor. This happened after the Internet nitrous guys insisted we subject an LS motor to the same treatment given our ...