Best GM 2.7 turbo performance upgrades for more power

If you're looking for gm 2.7 turbo performance upgrades, you've probably realized that this four-cylinder engine packs a way bigger punch than the skeptics expected. When Chevy and GMC first announced a 2.7L turbo for the Silverado and Sierra, the "no replacement for displacement" crowd had a field day. But here we are a few years later, and the L3B engine has proven itself to be a torque monster. It's built like a diesel with a bottom end that can handle some serious abuse, which makes it a perfect candidate for some aftermarket love. ...

February 24, 2026 · 7 min · Jefaza Arredondo