GM V8 Small Block LT5 Engine
The LT5 is an overhead valve (OHV) eight-cylinder, supercharged gasoline engine from General Motors. It is currently used exclusively in the Chevrolet C7 Corvette ZR1.
The engine is similar to the 6.2L V-8 LT4 found in the Corvette Z06 and Camaro ZL1, but with a larger supercharger, larger throttle body, stronger crankshaft and a new fuel injection system.
|Type:||6.2L Supercharged V-8|
|GM production code:||LT5|
|Engine family:||5th-generation GM Small Block|
|Bore & stroke (in / mm):||4.06 x 3.62 / 103.25 x 92|
|Block material:||Cast aluminum|
|Cylinder head material:||Cast aluminum|
|Valvetrain:||Overhead valve, two valves per cylinder|
|Fuel delivery:||Direct and port injection|
|Horsepower (hp @ rpm):||755 @ 6300 rpm (SAE certified)|
|Torque (lb.-ft. @ rpm):||715 @ 4400 rpm (SAE certified)|
The LT5 is currently used exclusively in the C7 2019 Corvette ZR1. It’s also possible that the motor could be used in a high-performance Cadillac model.
|Vehicle||Power (hp @ RPM)||Torque (lb-ft @ RPM)|
|Chevrolet C7 Corvette ZR1||755 @ 6300||715 @ 4400|
The LT5 is an upgraded version of the supercharged 6.2L V-8 LT4 found in the C7 Corvette Z06 and gen six Camaro ZL1. As such, it is part of the fifth-generation GM Small Block engine family, which includes:
We will update this section when LT5 pictures become available.
Follow our coverage of LT5 news and developments.
Prior to GM’s official announcement of the 2019 Corvette ZR1 and the LT5, we had the following information about the LT5.
- General Motors first filed for the LT5 trademark with the United States Patent and Trademark Office on April 2013 in the goods and services category as “engines for automobiles, sport utility vehicles, trucks and vans”.
- GM subsequently filed a second filing citing the same goods and services category in September 2016.
- A November 2017 leak from Car & Driver stated that the LT5 will be used in the 2019 Corvette ZR1 and that it will make 750 horsepower and 650 pound-feet of torque