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LC9 5.3L engine: specs, donor vehicles & swap notes

SpecValue
RPOLC9
FamilyGeneration IV
Years2007–2014
Displacement5.3 L / 325 ci
Horsepower315–320 hp
Torque335 lb-ft
Bore × stroke3.78 × 3.622 in
Compression9.60:1 or 9.95:1
Blockaluminum
AFM/DODYes
VIN 8th digit3

Aluminum, AFM, VVT*, E85-capable

Specs from secondary sources; GM ratings varied by year and vehicle.

Donor vehicles with the LC9

Where to find one at the junkyard. Confirm with the RPO sticker in the glovebox or the 8th VIN digit.

VehicleYears
Chevrolet Avalanche2007–2013
Chevrolet Silverado 15002007–2013
Chevrolet Suburban 1/2 ton2007–2014
GMC Sierra 15002007–2013
GMC Yukon XL 1/2 ton2007–2014

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