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  1. #1
    Sr. Mechanic
    Join Date
    Jun 2011
    Location
    Tuscaloosa, AL
    Posts
    157

    Default need a suggestion

    I just bought an 04 GMC 2500 6.0 V8. Its my first gmc/chevy and I was just curious if there are any gas saving products worth buying. yeah I know its kind of a dumb question but just wondering. thanks

  2. #2
    Jr. Engineer McMahan's Avatar
    Join Date
    Jun 2011
    Location
    Korea (for now)
    Posts
    216

    Default

    I have a 2005 silverado ss with a LQ9 6.0

    I got a custom tune by Wheatley and my MPG went way up

    Get a tune, cai and a good exhaust and see what it goes up too

  3. #3

    Default

    Also change ALL the fluids to synthtics and go light with the gas pedal.
    :cool:

    2005 Chevy Silverado Z71 Crew Cab
    6" Skyjacker lift w/Edlebrock dual front remote resoviour shocks, single rear remote. Rancho skid-plate.
    17" x 9" M/T Classic Lock Wheels, 35" BFG A/T or M/T tires
    4.10 PercisionGears w/factory locker, T/A Performance rear-end cover
    Banks CAI intake, ported throttlebody, JBA coated headers, over-sized Magnaflow cats, Magnaflow cat back exhaust, Diablo tuned
    B&M aluminum deep transmission pan
    Warn brush guard w/Warn 9.5 XP winch, PIAA bulbs, Line-X bedliner, AWS Black tool chest, Extang tonneau cover
    Weather Tech floor mats
    Cover-Craft seat covers
    Dash mat cover
    Formula One window tint
    One black Lab in rear seat.
    :glasses:

  4. #4

    Default

    Performance mods for better MPGs are a double-edged sword; a tune, cai, long-tube headers, and cat-back exhaust can help with gas mileage because there are less restrictions and a tune helps dial in your engine, but with those mods you will have the need to put the pedal to the floor a lot more so you can feel the power and hear the noise. If you can keep your foot out of the gas, then you will be fine, but good luck on that
    Last edited by Metaluzc; 06-28-2011 at 11:38 AM.
    2003 Silverado 2500HD 6.0L Vortec V8
    2" Body Lift
    3" Suspension Lift
    Skyjacker Hydro 7000 Shocks
    Skyjacker Steering Stabilizer
    35" Tires with 20" American Racing Rims
    Velocity Cold Air Intake
    Billet Throttle Body Spacer
    BBK Performance Headers
    MBRP Cat-Back Exhaust System
    DiabloSport Predator- Soon to be tuned by Diablew

    "Soon to be leveling-kit"

  5. #5

    Default

    gotta agree with everything thats been said so far.
    David
    2004 Silverado 2500 Crew Cab 4x4, AMSOIL EA air filter, Granatelli MAF sensor, Throttle body spacer, Magnaflow exhaust (true dual to 2 in 1 out muffler), 6" ProComp lift (add a leaf and 5" superlift rear block), Bilstein shocks, 35's (Cooper Disoverer ST) and 4.10 gears, Rhino Liner, EGRUSA fender Flares and widow visors, extended stainless steel brake lines, firestone airbags w/onboard air compressor, Pioneer Avic X940BT navigation, Accel backup camera.
    http://www.gmtruckclub.com/forum/sho...Silverado-2500
    1960 Land Rover Series II 88
    2001 Pontiac Sunfire
    2013 Toyota Avalon Limited (Wife's Car)
    NRA Life Member

  6. #6
    Legend
    stephan's Avatar
    Join Date
    Sep 2010
    Location
    Far West, Oregon USA,
    Posts
    8,606
    Blog Entries
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    Default

    X2 on everything above. In addition, get all the extra weight/junk out of it that you don't need everyday, (weight kills mpg) keep your tires inflated to the tire manufacturers specs, make sure your air filter is clean & in no way restricted, jack it up & make sure you don't have any brakes dragging. If you have extra money, consider putting a front air dam on it. Making the air go around it where it's smooth, is way more efficient aerodynamically than having it go under where it catches on every irregularity of the frame & suspension. Also if you have a bug shield on it & can live without it, take it off.
    1988 Chevy C-3500 2wd (no pic)
    350 c.i. 5.7 L Stock Block, 4 Bolt Mains
    L-31 Vortec Heads, Edelbrock Cam & Intake,
    Holley 650, Flowtech Headers, Magnaflow exh.
    Jet Trans 700R4, B&M Ratchet, 4:10 gears,
    3" susp. lift kit "shadetree"
    No rev limiter, No speed limiter lol


  7. #7

    Default

    X3 on everybody's suggestions. My recommendation is look at the ScanGauge II along with the techniques you will find at cleanmpg.com.

  8. #8
    Sr. Mechanic
    Join Date
    Jun 2011
    Location
    Tuscaloosa, AL
    Posts
    157

    Default

    Thanks for everything. The first things I was looking to do to it was a CAI and leveling kit. Have any of you tried Banks I haven't but it looks pretty good performance wise? and I've been looking for leveling kit but all I can find are the ones where it just raises' the torsion bar?

  9. #9
    Legend
    stephan's Avatar
    Join Date
    Sep 2010
    Location
    Far West, Oregon USA,
    Posts
    8,606
    Blog Entries
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    Default

    Gale Banks' stuff is good. My buddy got all Banks stuff for his & they're right at the top of the heap. They spend more $$$ on R&D than anybody.
    Leveling your truck is going to hurt your mpg for the same reason that an air dam would help it, but go ahead cuz we ALL do it
    1988 Chevy C-3500 2wd (no pic)
    350 c.i. 5.7 L Stock Block, 4 Bolt Mains
    L-31 Vortec Heads, Edelbrock Cam & Intake,
    Holley 650, Flowtech Headers, Magnaflow exh.
    Jet Trans 700R4, B&M Ratchet, 4:10 gears,
    3" susp. lift kit "shadetree"
    No rev limiter, No speed limiter lol


  10. #10

    Default

    Seems like the Smart Car is the way to go.

    The webmaster of this site, Steve, has been pushing for these since last year.

    Way better mileage than the 2500HD.
    Pavement sucks... :grrrrrr:



    1994 K1500 4x4 Ext. Cab
    PCM chip and Xenon 8000k bulbs
    350cu.in bored over .050"
    balanced Crank, 10:1 compression
    Flat top pistons,cam,ported heads
    Option Racing Cold Air Intake
    Holley Throttle Body Spacer
    Accell Igition, 45kv coil
    FloTech Headers, no CATs, dual exhuast
    Goodyear Silent Armor A/T 305/70-16
    Pioneer SupertunerIII CD USB Bluetooth
    Kicker ZX200.2 ZX Amp
    Kicker Audio COMP 10" Subwoofer

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