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Watch a detailed teardown of a high-mileage LB3 engine to see common failure points and internal wear:
It delivers surprising power for its size, producing roughly 310 horsepower and 348–430 lb-ft of torque . Owners often report it "zips" through traffic and feels responsive once the turbo kicks in. lb3.zip
Often used in the Chevrolet Silverado and GMC Sierra, this engine is frequently debated for being a 4-cylinder in a full-size truck. Watch a detailed teardown of a high-mileage LB3
It is designed to run on 87 octane fuel . Some users report getting up to 4 MPG better than the larger 5.3L V8. lb3.zip
