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    14 tahoe 4x4 poor fuel mileage help

    Dose anyone think that moving down to a 20 inch wheel from the 22 and maintaining the 33 inch tire size will change anything on fuel mileage ? Or should 1 go with a 31
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    14 tahoe 4x4 poor fuel mileage help

    I bet i could to by dropping that 2.9 whipple i have on the shelf on it....lol
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    14 tahoe 4x4 poor fuel mileage help

    I could understand it if it was a large cam. But the texas speed cam is only 2 sizes above stock. So idk
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    14 tahoe 4x4 poor fuel mileage help

    She run regular in it. Has not been put into 4wd since the build. And she drives mainly hwy for work.
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    14 tahoe 4x4 poor fuel mileage help

    Was dod and vvt deleted. Engine wasent bored , just a hone job .
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    14 tahoe 4x4 poor fuel mileage help

    I was just hoping for 16
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    14 tahoe 4x4 poor fuel mileage help

    Figured 23 was not that realistic but was hoping for at least the same 16 mpg her old one was getting.
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    14 tahoe 4x4 poor fuel mileage help

    I knew with the cam i would loose a little mileage and that 23mpg wasn't that realistic. but i was hoping for at least the same 16 mpg her old one was getting.
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    14 tahoe 4x4 poor fuel mileage help

    Live in baton rouge so its warm down here. Cats were replaced with a oem set from walker. The issue that prompted the rebuild was i had oil running out of the throttle body. Then about another quart or so in the intake manifold.
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    14 tahoe 4x4 poor fuel mileage help

    I purchased a 2014 Tahoe 4x4 with the 5.3 and 6l80 transmission. Tahoe has 126k miles on it. Turned out that the engine was bad and so was the transmission. Did a complete rebuild on engine and also the transmission. With the engine had the heads redone at machine shop, full valve job and pac...

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