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10-06-2016, 12:41 PM

#11

Panthers32

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Quote:

Originally Posted by idrive

Gears? Not that it makes that much difference.

Personally, I didn't notice much difference after "break in" regarding mpg's.

To get the window sticker hwy mileage you're going to have to go closer to 55.

.

My gears are 3.55. The axle code was L9 and I believe that's right correct me if I'm wrong.

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10-06-2016, 01:00 PM

#12

Beta

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I have right at 8000 miles on mine now and I have seen my fuel mileage rise slightly over the last 3000 or so miles. I also saw an increase within the first 1000 miles and then it plateaued. Whether the engine is "breaking in" or the ECM is "learning" or the brakes are wearing in, I'm not sure but the net gain is the same.