The LS6 is a high-output variant of the GM 5.7L LS1 engine and is found in the C5 Corvette Z06 and Cadillac CTS-V. This category is dedicated to LS6 engine and covers everything from LS1 vs LS6 comparisons to camshaft upgrade guides. We’re always creating new content for the legendary LS engine, so be sure to check back for more in the future.
When Chevrolet introduced the C5 Z06 Corvette in 2001, they powered it with their brand new 5.7 liter LS6 V8 engine. In 2001, the engine put out 385 horsepower and 385 lb-ft of torque, which bumped up to 405 horsepower and 400 lb-ft of torque from 2002–2004. At the time, these were pretty substantial power…
The third generation of General Motors’ small-block V8 engine was one of the most iconic, with the 5.7 liter LS1 and LS6 engines leading the way. GM and Chevrolet put the LS1 and LS6 inside the Corvette, Firebird, Camaro, and even the Cadillac CTS-V. From the factory, the LS1 makes 305–350 horsepower and 335–365 lb-ft…
Racers have long considered the LS6 engine one of the top American V8s from the early 2000s. Chevrolet used it inside their new high performance C5 Corvette Z06, and Cadillac put it in their inaugural CTS-V. Depending on the year, the LS6 made 385–405 horsepower and nearly equivalent torque. A 5.7L naturally aspirated V8, the…
In recent years, the financial markets have been anything but predictable. Case in point, the absolute bonkers current used car market. Used cars with higher mileage and more years are actually selling for more now than they did three years ago. In many cases, cars just one or two years old are as expensive as…
Ever since Chevy put the LS6 inside the C5 Z06 Corvette, it has been a popular power plant for high horsepower builds. The robust 5.7L V8 makes 385-405 horsepower and 385-400 lb-ft of torque from the factory. Yet, anyone who has ever driven one will tell you they are begging for more. One of the…
Since its debut in the late 1990s, GM’s LS series of small block V8 engines has enthralled and fascinated performance enthusiasts. The LS1 came out first, in 1997, and GM quickly followed it up in 2001 with the high performance LS6 variant. Both engines are incredibly similar, with GM giving the LS6 a few tasteful…
The small-block 5.7L V8 LS6 was released in 2001 and was produced until 2005. The LS6 was designed specifically for use in the C5 Corvette Z06 and the Cadillac CTS-V. It’s part of GM’s Gen III small-block engine family and is the successor to the Chevy LS1 engine. While the LS1 remained in production, it…
The Chevy LS6 engine debuted alongside its little brother, the LS1, in 2001. It was used in the C5 Z06 Corvette’s and the first-gen Cadillac CTS-V’s from 2001 until 2005 when it was replaced with the LS2. Producing 405hp and 400lb-ft. of torque, the LS6 was pretty stout from the factory for it’s time. However,…
