Actually, that gas mileage isn't too far off from the straight six. Those six cylinders only get in the 13's so might as well have a lot more hp. Nice looking truck but they could be in trouble with the new US mpg requirements they just released. What I don't understand is why GM can build that truck, but they won't build the standard cab SS pickup(like the old 454SS).
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69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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