Tearing down a worn LS7 track engine in preparation for a rebuild After many seasons of hard racing an LS7 is tired and ready for rebuild. Here's what we found on the initial tear down.

Richard Holdener Holdener took a stock, flat-top 5.3-liter LS and put it on an engine dyno to find a baseline power rating. The results were as predicted: 342 peak horsepower and 379 lb-ft of torque.

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 ...

While both terms, overhaul and rebuild can indicate the complete disassembly ... However, unless you're performing some sort of strange LS engine swap, a simple replacement of your car's engine ...