The LT7 makes 1,064 horsepower and 828 pound-feet of torque in the standard ZR1, but the ZR1X adds a hybrid system contributing 186 hp and 145 lb-ft, for a total of 1,250 hp and 973 lb-ft. The ...

Former NASCAR driver Jeff Gordon went to the Bowling Green Assembly Plant in Kentucky to help build the engine of his ...

After getting your (gloved) hands dirty putting together the LT6 (Z06) or LT7 (ZR1 and ZR1X) engine for your Corvette alongside a master technician, Chevy will ensure your mark is left on your power ...

We’re moving right along with our Summit Racing 427-ci small-block Chevy build. We started with a bare SPC engine block, and we’re building it from the bottom up. We left off last time with an ...

This is the third and final installment of HOT ROD'S Budget Engine Buildup series, and just as in drag racing and football, we saved the best for last. This is the Top Fuel final and the Super Bowl ...

Watch NASCAR legend Jeff Gordon assemble his own LT7 engine for his 2026 Corvette ZR1X in a unique Corvette Performance Build Center experience.

A stock-based GM 4.3L V6 shocks the dyno with 1,400 horsepower at 33 PSI, proving this twin-turbo truck engine is far stronger than expected.

From humble origins in the late 19th century to the refined modern builds of today, automakers continue to forge ahead with new engine designs. Throughout the decades, some engines have made more ...

General Motors is staking more than a billion dollars across multiple U.S. factories on a single bet: that a completely ...

When the gearheads of the world get together to talk about the most powerful vehicles from the early muscle car era, those sporting the more notable big block engines of the day tend to take up most ...