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  1. #111

    Default

    Still getting a consistent 17 mpg rural driving.
    2008 Silverado_ Gone
    2006 HHR LT
    2008 Cobalt LT
    2001 Sonoma Gone
    2009 Cobalt XFE

  2. #112
    Sr. Apprentice sgt_in_usaf's Avatar
    Join Date
    Dec 2007
    Location
    Grand Forks AFB, ND
    Posts
    53

    Default

    01 K1500 V8 5.3L 4x4 LT

    Prior to K&N Air Filter...
    averaged 11mpg city, 15mpg highway

    After...
    average 12 city (killed by the fact that I drive short distance to work)
    average 17 on the highway (I've gotten up to 18.5 when driving 65mph)
    Andrew
    Grand Forks AFB, ND

    2001 Chevy Suburban LT K1500 V8 5.3L 4x4
    - 16" Goodyear Wrangler Fortera tires
    - K&N air filter

  3. #113

    Default

    My 2000 1500 2wd w/ 4.3 and 5 spd is getting 18mpg in town, just installed a K & N FIPK so next fill up I should see some changes and hiway driving outcome. I'll gladly take the 18mpg I'm getting now over my 99TJ's 8-10mpg.

  4. #114
    Legend
    finalday7's Avatar
    Join Date
    Oct 2007
    Location
    Sayward, B.C Canada
    Posts
    1,358

    Default

    Does anybody get less then 11.5 avg?

    KRIS
    2007 GMC Sierra CrewCab 4.8L
    Tinted Windows, 20" Chrome MB Predators on 275/55/20 Copper AT's, GM Bed Rug, Speed Scene Chrome Grille, Putco Chrome Handles, Hypertech Max Energy Programmer, Magnaflow Muffler and many more mods to come.
    Former GM Vehicles:
    96 Chevy Camaro. My first car modded for a High School kid.

  5. #115

    Default water4gas

    I've installed a hydrogen generator on my 95 ford v-8 and have increased my milage about 25-30 %
    it was very simple and cheap, used a ball jar w/plastic cap plastic insulators and stainless steel
    welding wire to accomplish the hydrogen generator, hooked it with a relay and fused w/10amp fuse,
    it turns on w/my key, check out thee site it's called "water4gas", it will increase anyone milage!!

    Stubby

  6. #116

    Default

    I get about 16 average in the avalanche. Highway mileages are 24 @ 65, 21 @ 70, 18 @ 75 and 16 @ 80.

    City is about 14.5

    I should drive the bonneville more. I get 25 avg out of that, 20 city, 32 highway.

    '93 Pontiac Bonneville SE | Series I Buick 3800 L27 | Dark Yellow Green | 3.06:1 | | 225/60 TripleTreds 2/9/08 | 106k | The Mean Green Machine
    '04 Chevrolet Avalanche 1500 Z71 4x4 | Gen III Vortec 5300 LM7 | Summit White | 3.73:1 | XM, Bose 6 Disc Changer | 12-way Heated Leather | 58k


  7. #117

    Default

    Quote Originally Posted by PontiAddict View Post
    I get about 16 average in the avalanche. Highway mileages are 24 @ 65, 21 @ 70, 18 @ 75 and 16 @ 80.

    City is about 14.5

    I should drive the bonneville more. I get 25 avg out of that, 20 city, 32 highway.

    Nice siggy photo, btw.

    Steve
    10 Chevy Traverse LT AWD
    02 Chevy Trailblazer LS (110K+ miles - loaded except for 4WD - WRECKED!)
    99 Chevy Cavalier LS (105K+ miles - commuter car)
    78 Chevy Suburban Silverado (454, 3/4 ton)
    62 GMC 3/4 ton Pickup (350 police interceptor)

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  8. #118

    Default

    Stubby Here, as of my last posting , in my 95 t-bird, v-8 i haven't had a road trip yet,but around town i'm getting right at 35mpg(34.5) up from about 18mpg average using the hydrogen generator. now that is keeping my foot out of the throttle, just normal traffic driving, sometimes i have a bad habit of playing with my new found power range, very good acceleration, then i get about 28mpg.
    Last edited by stubby; 02-18-2008 at 08:00 AM.

  9. #119

    Default

    damn i wish i got 28... right now in the winter im gettin 11... in the summer i do a little better at a little over 12 usually
    PETE
    95 GMC Sierra 2500
    3" Body Lift, 33" Goodyear MTR's
    5.7L 350 TBI Edelbrock SDT Exhaust, Flowtech Headers, K&N Intake
    Sold :(
    1999 Jeep Cherokee, 3" Rustys lift, 33" BFG MT's, locked, armored: Rolled :(
    2000 Jeep Grand Cherokee Limited. K&N Intake, Custom Kolak Exhaust


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  10. #120

    Default 99 Blazer - 13 mpg or 26

    Hi, just joined!

    Usually I drive about a mile to the train station, and that will get me around 13 mpg, sometimes better. On a road trip, all Interstate, I got 26 mpg on my last test. I'm looking at an electric fan for the next step to improvement.

    Any suggestions?

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