General Motors Supercharged 6.2-liter V-8 | Cadillac CTS-V, Chevrolet Corvette Z06
It’s tough not to love any engine that produces 650 horsepower and 650 lb-ft of torque, especially when its brute force is delivered linearly, predictably, and with the classic Chevy small-block V-8 rumble. And we definitely love the Chevrolet Corvette Z06’s supercharged LT4 V-8, which GM says is among the very lightest and most compact engines capable of such prodigious output. Displacing the same 6.2 liters as the naturally aspirated fifth-generation small-block V-8 that powers regular Corvette Stingray models (more details on that engine here), the LT4 runs a maximum boost of 9.4 psi to produce as much as 200 more horsepower. (Fun fact: The LT4’s Eaton supercharger stuffs four lobes into a 1.74-liter blower.)
The engine’s overall dimensions are barely larger than those of the nonsupercharged Chevy V-8—the blower adds less than one [...]