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Below is a general listing of specifications for the 1971 Corvette ZQ-4 engine.

SAE Horsepower: 270 bhp @ 4,800 rpm
SAE Torque: 360 ft. lbs @ 3,200 rpm
Displacement: 350 CID
Bore and Stroke: 4.00 in. x 3.48 in.
Heads: Cast Iron
Compression Ratio: 8.5:1

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