Most Powerful Chevrolet Engine - Supercharged LT5 ZR1

As heart of the Corvette ZR1, the supercharged LT5 6.2L SC is the most powerful engine ever offered in a regular production Chevrolet. It features a more-efficient, more-compact 2.6L Eaton R2650 TVS supercharger. That's enough to generate more than 9 pounds of boost and help produce 755 horsepower and 715 lb.-ft. of torque.

LT5 ZR1 Unique Engine Features

The LT5 is based on the same Gen V Small-Block architecture as the LT4 & LT1 engine, with several unique features designed to support its higher output and the greater cylinder pressures created by forced induction. They include Rotocast A356T6 aluminum cylinder heads that are stronger and handle heat better than conventional castings, lightweight titanium intake valves and stronger forged aluminum pistons.

LT5 755HP Engine Specifications:

Power: 755 HP @ 6400 RPM, 715 ft. lbs. of torque @ 3600 RPM

Displacement: 376 CID, 6.2L

Bore x Stroke: 4.065” x 3.622”

Compression Ratio: 10:1

Recommended Fuel: 92 Octane

Block: Cast Aluminum with 6 bolt cross bolted main caps

Crankshaft: Forged Steel with 8-Bolt Flange

Connecting Rods: Forged Powered Metal

Pistons: Forged Aluminum

Camshaft: Hydraulic Roller (with dual-equal phasing)

Cam Lift: .551” Intake / .524” exhaust

Cam Duration @ .050”: 200 deg. Intake / 207 deg. Exhaust

Lobe Separation: N/A

Cylinder Heads: Aluminum Direct Injection Rectangular Ports

Combustion Chamber: 65.47cc

Valves: 2.130” Intake/ 1.590” Exhaust

Rocker Arms: Cast Roller Trunnion, 1.8:1 Ratio

Balance: Internal

Reluctor: 58X

Maximum GM Recommended RPM: 6600

GM Recommended Torque Converter Stall 2400-2800

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Chevy LT5 755HP S/C Dry Crate Engine 19417105

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  • $18,811.30

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