Vortec 4.3L V6 Engine

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Vortec 4.3L V6 engine features:

• 195 horsepower @ 4600 rpm
• 260 lb.-ft. of torque @ 2800 rpm
• EPA estimated MPG 15 city/20 highway in 2WD models
• EPA estimated MPG 14 city/18 highway in 4x4 models
• Standard Hydra-Matic four-speed automatic transmission
• Cast-iron cylinder heads with roller rocker arms and hydraulic roller lifters
• A high-capacity cast-iron crankshaft that's been internally balanced
• A Powertrain Control Module that continuously measures input to achieve optimized engine performance and smooth transmission shifts
• A coolant-loss protection feature that allows Silverado to be driven a limited distance at a reduced speed in order to reach a service facility even if a catastrophic reduction in the coolant level has occurred
• Extended-life spark plugs and engine coolant(1)

1 Maintenance needs vary with different uses and driving conditions. See the Owner's Manual for more information.