We're still not sure whether or not it'll premiere tomorrow at Detroit, but one thing is for sure: the upcoming Chevrolet Camaro ZL1 is going to be powerful. How powerful? Word has it that it'll be powered by a supercharged 6.2-liter LT4 V8 with a total of 640 hp and 630 lb-ft of torque. Compared to the outgoing fifth-gen Camaro-based ZL1, that's an increase of 60 hp and 74 lb-ft. What's more, compared to the 2016 Camaro SS, it'll have an additional 185 hp and 175 lb-ft.

Along with those upgrades, expect for the 2017 ZL1 to feature a more aggressive front bumper with larger air intakThere'll also be new side skirts, a four-pipe exhaust system and a rear spoiler. The interior will also be upgraded with unique seats and various instrumentation improvements. We'll be speaking to Camaro chief engineer, Al Oppenheiser, this week at Detroit so expect some updates to this very soon. But what we're really wondering about is the status of the next-gen Z/28. The moment we learn more about this we'll get you all updated. es and a bulging hood.