The GM twin-turbocharged 5.5L V8 LT7 gasoline engine is the Detroit-based automaker’s most powerful production-spec powerplant ever manufactured, and was unveiled alongside the 2025 Corvette...

2024年7月25日 · GM didn’t just slap a couple of turbos on the LT6 and call it a day. We look at everything that was done to create the 1,064 HP LT7. The 2025 C8 ZR1 has finally been revealed. The car is a staggering piece of machinery. And at center stage is the 5.5L LT7 twin-turbocharged DOHC V8. (And, yes, it’s still got a flat-plane crank.)

2024年7月25日 · The 2025 Chevrolet Corvette ZR1's twin-turbo 5.5-liter V-8 is designated LT7. With 1064 horsepower, the LT7 is the most powerful production Corvette engine ever built.

2024年7月25日 · To punch out 1,064 horsepower, the LT7’s eight pistons sweep across 5.5 liters of displacement as two turbochargers stuff up to 24 psi of atmosphere into the cylinders and a flat-plane crankshaft...

2024年9月22日 · GM engineers drew up new cylinder heads for the LT7, featuring CNC-machined 59cc combustion chambers and a fresh port design, and the valvetrain (including camshafts) was also redesigned with boost in mind.

2024年7月26日 · Corvette ZR1 features a 5.5L, twin-turbocharged DOHC flat-plane crank V8 engine dubbed the LT7. The LT7 engine produces 1,064 horsepower at 7,000 rpm and 828 lb.-ft. of torque at 6,000 rpm, per SAE guidelines — the most power ever from a factory Corvette and the most powerful V8 ever produced in America from an auto manufacturer.

The LT7 is a twin-turbocharged variant of the LT6 which debuted in the eighth-generation Corvette ZR1 and was unveiled on July 25, 2024. The LT7 has a redline of 8,000 RPM, generating 1,064 hp (793 kW; 1,079 PS) at 7,000 RPM …

2024年7月26日 · Here's everything Chevy fans need to know about the new LT7 Twin-Turbocharged 5.5L DOHC VVT DI, including its state-of-the-art architectural designs and the eye-popping speed and horsepower it...

2024年10月8日 · The LT7 is the second and likely final sibling of the Gemini V-8 family. A 4.4-in (111.8-mm) bore-to-bore spacing qualifies it as a legit member of GM’s longstanding small-block V-8 line. Like the LT6 engine powering the Corvette Z06, the LT7’s cylinder block is a two-piece A319-aluminum casting.

2019年7月13日 · And now, less than a week before its unveiling, GM Authority has obtained new information about an upcoming GM twin-turbo engine, dubbed LT7, that is earmarked for a future high-performance...