Has anyone messed with a newer Hummer with the 6.0? I have one in the shop now, and he's just looking for a bit more performance. Is there any room for improvement on these? Thanks.
Has anyone messed with a newer Hummer with the 6.0? I have one in the shop now, and he's just looking for a bit more performance. Is there any room for improvement on these? Thanks.
i'm sure the newer hummers come with a 6.2... if its stock, set the PE to a 1.174 across the board and it should be actual... GM has dialed in the MAFs pretty well on the newer engines.
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Ok, got the rig looked at, and first, its an 08. It is a 6.0, and he is getting less than 11 mpg in town. He is more interested in squeezing more mileage than power from it. Is that even possible with that thing?
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