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-   GMT 900 Trucks General Discussion (https://www.performancetrucks.net/forums/gmt-900-trucks-general-discussion-188/)
-   -   6.2 hwy MPG (https://www.performancetrucks.net/forums/gmt-900-trucks-general-discussion-188/6-2-hwy-mpg-502988/)

ak2007r6 06-08-2012 10:57 PM

Never taken the time to calculate it by hand. I am way to hard on it in the city to ever get a decent results lol

RacinRust 06-08-2012 11:36 PM

Man I wish I wasn't such a chicken shit and just go ahead and blow the warranty with the mods I want. But at 14K miles I do need new tires. The damn thing is fun to drive. LOL

62nalide 06-09-2012 12:22 AM


Originally Posted by ak2007r6 (Post 4935756)
That was resetting the computer as soon as I got on the hwy. It was a 50 mile trip with cruise set at 65mph.

:nod: same here cammed out with longtubes set cruise @ 65mph id see 24mpg and 28@ 40mph when i made long trips no lie i had a 15min video on my old phone, also check this out try this if u like a full tank would last me a week and 2 days normal driving, and 1/2 tank would last me 6days!

62nalide 06-09-2012 12:23 AM


Originally Posted by RacinRust (Post 4935765)
Man I wish I wasn't such a chicken shit and just go ahead and blow the warranty with the mods I want. But at 14K miles I do need new tires. The damn thing is fun to drive. LOL

what mods :secret2: lol

bluecajun5.3 06-09-2012 01:16 PM

i run 93oct all the time since it was new. straight hwy i get 18.5. everyday driving i average around 15. this is bone stock with 7k miles. going to be doing an airaid mit w/ filter, 22" magnaflow, and tune real soon. hoping mileage will improve.

Area47 06-09-2012 09:14 PM

24 on 91 octane
19 on e85.
:)

LS1Aggie09 06-09-2012 11:10 PM

dont know what im doing wrong. seems to be around 14-16 mixed and no more than 18 hwy keeping it below 70. usually its around 16-17 between 70 and 75 on 93 and around 12-13 on e85. i do see close to 20 when 65 or lower.

how the hell do you pull 24?

JetBlack98Z 06-09-2012 11:29 PM


Originally Posted by LS1Aggie09 (Post 4936174)
dont know what im doing wrong. seems to be around 14-16 mixed and no more than 18 hwy keeping it below 70. usually its around 16-17 between 70 and 75 on 93 and around 12-13 on e85. i do see close to 20 when 65 or lower.

how the hell do you pull 24?

He does all his own tuning, I bet he has 20+hrs on tuning his truck alone =P. As you can tell i'm jealous.

62nalide 06-10-2012 02:19 AM

IDK how many hours my tuner had on mine when i got 24mpg but i kept my VVT ;) and i think Area47 did too i might be wrong

rjwz28 06-10-2012 06:22 AM

I average 15 for the tank around town, 14 or 13.x if I play a bit. I don't drive on the highway often enough for credible mpg feedback. I have an Airaid Jr and a tune, CCSB 4x4 with 3.73s on 33-inch Duratracs.


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