Buying budget/used TV with high mileage...
...how much is too much? I'd like to 'upsize' from our current '06 Sierra 1500 5.3l to something in the 3/4-1 ton range for towing our TT, with an eye towards getting a larger TT down the road a bi...
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I think the 8.1 is what you are looking for. I have pulled with the Gm 5.3 like you have and its pretty gutless. I pull a 9k loaded TT with mine and you can just tell that is what the 8.1 was built to do. Like others have said the only down side is MPG's. (and they are pretty hard to find)
