i would get a woody if i even got close to 20 in my 2011 5.3 right now....lol...were talking 14 tops on the hiway w/ cruise control.
i would get a woody if i even got close to 20 in my 2011 5.3 right now....lol...were talking 14 tops on the hiway w/ cruise control.
Last edited by Moderator; 10-18-2012 at 09:44 AM.
'13 silverado LT...stock
'11 lt 4x4 z71..tvs1900
'01 gmc twins 6.0 jakes 400 ladder bars w/ coilovers tuned by nelson performance
^^^ our 2010 5.3 got 22 mpg stock and 20-21 boosted. Highway that is.Originally Posted by bud8fan
Last edited by Moderator; 10-18-2012 at 09:44 AM.
4.8, TSP 220, 6L90 swap, 3400 Stall, 4.10s w/30" drag radial and T76 @ 16lbs.
Best ET 11.54@114 w 1.52 60ft
Raceweight 4905 lbs.
all of these various results in mileage further signifies that all trucks(and engines) are not equal.
And how u drive em , I still don't believe 22mpg+ 6.2 maybe calculated wrong lol
unless you put it in a maro or vette!
Remember that douche oleshifty that claimed 27 mpg with his bolt on 5.3 in his lifted 2wd ecsb with 35+" tires?
Yes the vette yes I know they get good mileage due to there light weight
Yes I remember him lol
best I ever got in the city 19mpg and 22 on the highway on a cammed 6.2L Denali and also would go to the (trip) display every tank I'd reset it to 0 miles then drove normal and doing so calculations it was pretty sweetand made a trip from Dallas to Houston it took less than a 1/2 tank but I was running a VVT cam
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