MPG 2003 Tahoe

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E4L

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Just filled up again 16.3 city and highway driving. Can I get 20 in this thing or am I dreaming?:Plugged:
 

BlackZ-HO

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I drive a 2003 chevy Tahoe z71 with a leveling kit on it and stock tires size but they are AT's and I just recently took a trip from the bottom of south Carolina to Eastern Massachusetts and it only cost me 325 bucks in gas total, every time I fill her up I mix in some Lucas tune up junk my dad uses in his 92 blazer that has like 500,000 miles lol, just to think in the next month I'm getting new coil packs wires plugs and a cai, and early winter I'm getting a black bear tune, I'm gunna be getting like 30mpg lol
 

Rpprvnce

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My 02 4x4 5.3 is getting 12 MPG mixed hwy and city with stock gears havent taken on a trip since ive put the hypertech on it but i honestly thought itd be getting better.... I can run 80 MPH at 2100 RPMs and 70 at 1800... That compared to 80 MPH running 2400 and 70 at 2100 before the hyperpack... Granted I haul ass everywhere i drive especially on the interstate, but still...
 

03dirtyhoe

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2004 Tahoe AWD 5.3 w/ 3.73 gears, will do 20 MPG on 10% ethanol 21.5 on true gas @ 70 mph with no problem. I came from a S-10 crew cab to this sweet V8 and get better mileage, I feel like I'm stealing.
See my sig for the two aerodynamic mods I did. Shaved rack and added a 06 front air dam.
Hi,

When you added the 06 front air dam did you just add the lower portion such as this (http://www.jcwhitney.com/replacemen...50426y2006j1&gclid=COjvwt-6krMCFelFMgodHyAAzA) ?

Or did you have to get the whole new valance like this (http://www.newtakeoff.com/ProductImages/products/bumpers/GA4-4600-00AA.jpg)...thanks for any input!
 

jimweis

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