Thread: Anyone own a GM 8.1 V8
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Old 11-06-2011, 11:12 AM
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Montauk17 Montauk17 is offline
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Default Anyone own a GM 8.1 V8
Truck I am looking to buy has the 8.1 big block. Anyone own one? What kind of fuel mileage are you getting on the highway? I know it won't be good just want a general idea.
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