The Rise of the Unstoppable LS/LT Race Engine

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The twin-turno LS engine in Mike Dusold's Camaro

 

The LS/LT engine platform continues to grow in popularity with racers, engine builders, and aftermarket suppliers who are embracing the possibilities.


When Mike DuSold of DuSold Designs in Lewisville, Texas, needed to source and develop a powertrain for his wicked-looking 1968 Camaro that would race at Pike's Peak and on the Time Attack circuit, he started with the GM LS architecture.

"The LS platform has a ton of aftermarket support, and you can make power with them very reliably," explained DuSold. "There are great cylinder-head and intake-manifold designs. It's a well-known engine platform and what we were looking for in a car like this. I needed the ability to run 1,300 horsepower but not do it with an engine that's wound super tight."

The LS engine platform was first introduced in the 1997 C5 Corvette, and dedicated variations were developed for pickups, SUVs, and sports car models out of the General Motors lineups. The first engine from this family was the LS1, and enthusiasts have since referred to all Gen III and Gen IV small block GM engines as the LS, even though many of the RPO ordering codes don't start with LS...

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