Two intakes can show similar dyno numbers, but the better-designed system recovers intake air temperature faster after sitting in traffic or heat cycling. This is where sealed heat shields and proper ...

The LS3 crate engine has earned a reputation as one of Chevrolet's most trusted and versatile powerplants. Churning out 430 hp at 5,900 rpm, in addition to 425 lb-ft of torque, which arrives at 4,600 ...

If the Chevrolet Corvette is known for one thing, it's speed. Speed is relative, though, and our expectations have grown over the years. Every Corvette generation has beefed up the specs, and one ...

Engine science isn’t quite a lost art, but it’s something that is much more understood than it used to be. Now, engines are incredibly talented at everything thanks to innovations in combustion ...

A stock LS3 rec-port intake manifold is hard to beat and only costs $299. When Chevy went back to the drawing board after the success of the cathedral-port Gen III LS1 small-block V-8, it realized ...

There are plenty of products in the aftermarket realm that claim to free up or create more horsepower. While some of these use skewed data or are just plain false, I was eager to test out one of the ...

When I recently outsourced an oil pan gasket replacement to a reputable Long Beach BMW shop, the owner noted that he loved the 128’s power and asked if it had an ECU tune, besides any mild coding. As ...

When we peeked into Hagerty Marketplace, we uncovered a two-door roadster with a potent V-8 swap. The same recipe that gave us the Sunbeam Tiger and Shelby Cobra would surely have a similar effect ...

Back in 1971, the second-generation Camaro left much to be desired because of the switch to low-lead and unleaded gas. The LT1 small-block V8 in the Z/28, for example, dropped from 360 to 330 gross ...

Transforming a common LY6 truck engine into an LS3 is as simple as a camshaft and intake swap. If you are familiar with the world of LS swaps, you likely know that there are plenty of “LS swapped” ...

In the 1980s, General Motors reinvented the muscle car with the instant classic turbocharged Buick Grand National. In the 2010s, they modernized off-the-shelf horsepower with the high output LS3 ...