GMT K2xx Trucks General Discussion 2014+ Trucks | General Discussion

Fuel mileage and 6.2 fun.

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Old Dec 1, 2021 | 12:10 PM
  #11  
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Originally Posted by 2001 Sierra
How's your gas mileage.............
Coming up on the 5k mile mark from when i installed the S&B cai. Stuck at 20mpg. Ordered my cat back Monday. That'll be the next thing for 5k miles. After that I'll switch to ethanol free fuel.
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Old Dec 1, 2021 | 01:34 PM
  #12  
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Do you do one upgrade every 5k miles or is that just coincidental?

Also you never posted a pic of your new truck
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Old Dec 1, 2021 | 02:01 PM
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Originally Posted by shakenfake
Do you do one upgrade every 5k miles or is that just coincidental?

Also you never posted a pic of your new truck
I am purposely doing it 5k intervals so that the truck has time to learn and i can be consistent with the changes for a little more accuracy. I will get some pics loaded up this weekend.
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Old Dec 1, 2021 | 02:02 PM
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Cool, that was what I was kinda thinking too
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Old Dec 1, 2021 | 02:43 PM
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Originally Posted by WS64Mula
Coming up on the 5k mile mark from when i installed the S&B cai. Stuck at 20mpg. Ordered my cat back Monday. That'll be the next thing for 5k miles. After that I'll switch to ethanol free fuel.
Sounds good for that kind of a truck. Honestly- I'm eyeballing something similar. gas mileage on my ride is terrible so I'm thinking for this mileage I should be driving the big motor..........
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Old Dec 1, 2021 | 02:45 PM
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Get lower to the ground and get more mpg
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Old Dec 2, 2021 | 04:38 PM
  #17  
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Did that on the last truck- while it looked good any mileage gains were'nt noticeable
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Old Dec 2, 2021 | 04:40 PM
  #18  
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The looks good part is the best part
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Old Dec 17, 2021 | 08:21 PM
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Update. Fuel mileage is still 20. Doin the cat back this weekend at the 5k mileage. Maybe that'll make a difference. After that it'll be a fuel change.
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Old Dec 18, 2021 | 04:47 PM
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Have you done a tune yet? I would imagine adding the CAI and catback optimizing the tune would help out with increasing the fuel mileage as well.
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