Hennessey Performance Engineering has strapped the 2019 Chevrolet Silverado Trail Boss to the dyno to see what kind of numbers the stock 5.3-liter V8 engine manages. It’s the first time we’ve seen the ...

Ever wondered how potent the Silverado with the 5.3-liter V8 is? Not the figures published by Chevrolet, but those at the wheels, coming courtesy of the dyno at Hennessey Performance Engineering. The ...

Among the advantages of these engines are factory aluminum heads, lightweight composite intakes and in some cases aluminum blocks. Many, such as the 5.3L (RPO LM7) have a cast-iron block with aluminum ...

The LS and Vortec engines are well-known to be under the hood of GM models, but there are key differences between them. Here's what you need to know.