LS

Building a competitive drag car is tough enough—but for our pal Matt Zapp, he took it up a notch by keeping this super clean 1984 Chevy S-10 street legal. And […]

Boost has long been the big equalizer. Add boost to just about any engine, and all of a sudden you have transformed your otherwise mundane motor into some kind of […]

I have a 2003 Chevy Avalanche 5.3 LS. I want to know if I bore my 5.3L 0.030″ over could I use the same connecting rod on the new pistons? […]

There are plenty of good reasons why folks relocate their vehicle battery to the trunk. Maybe it’s for better weight distribution on a race car. Maybe it’s to clean up […]

If you could send a modern production engine like the GM LS back in time to the middle 1960s, that engine would have appeared to engine builders of that time […]

An air intake system can be one of the most commonly overlooked aspects of an EFI engine swap—particularly for the GM LS swap crowd. And depending on your setup, you […]

I have a 1969 Firebird that I’m swapping in a 2002 LR4 4.8L LS engine from a GMC Sierra pickup. I have the mechanical swap parts for mounting the engine […]

I have a used 5.3L LS truck engine that I’d like to swap into an earlier Chevy pickup. The engine was running when it was pulled out of a wrecked […]

OK, so 20 years ago, if you told someone you could hit 1,000 horsepower without a top-tier racing R&D team in your back pocket, you’d probably get laughed at. Nowadays […]

For well over two decades, the LS was General Motors’ primary V8 engine family. That means GM LS motors wound up in everything from pickup trucks to late model muscle […]