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  1. #521
    Newbie 78k10's Avatar
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    Jan 2011
    Location
    Phoenix, Arizona, United States
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    5

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    In my 78 chevy k10 short bed pick-up 4x4 lifted 4'' and also sits on 35'' tires and i get around 17-18 mpg and 15 in the winter cause the truck never leaves the cold mark
    chevyboy

  2. #522

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    i bet its a 6.2 DIESEL !!! no way u get that out of a 305-350 !!!

    1996 Suburban K3500 SLT DUALLY
    1988 Camaro RS 383 stroker LT1
    1992 32' Aero-tek Race Boat, 600 CI BBC
    WE CAN STICK A DIESEL IN ANYTHING
    SPECIALIZED IN CUSTOM CONVERSIONS OF ANY KIND
    Scott:glasses:

  3. #523
    Newbie 78k10's Avatar
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    Jan 2011
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    Phoenix, Arizona, United States
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    no it has a 350 and it will 250 miles on each tank. each tank is 15 gallons. my k5 blazer military with 6.2 gets 20 mpg
    Last edited by 78k10; 01-09-2011 at 04:58 PM.

  4. #524

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    I drive a 2000 silverado 5.3l v8 rcsb 2wd. i drive 95% highway miles and average around 24, only mod is exhaust and 5/7 drop kit, adn 20's. So havent even tried makin mods for mpg yet.

  5. #525

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    I'm getting around 16.3 MPG according to the onboard computer. Only have 1000 miles and its a 2011 Silverado 1500 with the 5.3L.

  6. #526
    Sr. Apprentice wpnsgy's Avatar
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    Feb 2009
    Location
    New Hampshire
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    54

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    2011 GMC SIERRA 5.3 with six Speed Auto tranny 372 miles 14.5 city

  7. #527

    Default Mpg

    I am feeling kinda crappy...I have ran 2 tanks in my truck

    2009
    Crew Cab
    4.8
    4x4

    All city 11.4MPG I really would like to get up to about 13-14

  8. #528

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    im at averaging 14ish right now just because its winter and using 4wd or letting the back tires spin wastes gas, in the summer i average about 17....im pretty sure my plugs need to be changed and i know that would help boost my mpg
    Go-Recon "xtreme" amber scanning tail gate light strip, Cobra ultra2 CB radio W/ 4 foot firestix antennas, dual exhaust with 40 series single in dual out muffler, 305/65R17 Mickey Thomson Baja ATZ on 17 inch Mickey Thompson Side Biters, 3 inch body lift

    "when the going gets tough the tough get cyclic:fighting0019:"
    "use the force luke:fighting0040:"

  9. #529

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    I have got 20 mpg highway on rolling hills running 70mph. 15-16mpg city. 4.8l 4x4

  10. #530

    Default

    I get about 14 with my 350 in my 89 V1500 suburban

    Hwy only I get 17.
    89 Suburban V1500 5.7L SLE 4WD
    240,000

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