Hybrids, XFE, & Active Fuel Management

564 topics in this forum

1. Wow! New Plugs = +20% Better Mpg

   By rt66er, April 4, 2011
   • 14 replies
   • 6.1k views
   • 
   • Morgan1986
   • October 18, 2012

3. How to tell when AFM is activated?

   By bdox, August 16, 2012
   • 9 replies
   • 13.4k views
   • 
   • Coolmaker
   • August 20, 2012

4. New silverado 5.3 gas mileage question? 1 2

   By Kody, December 24, 2011
   • 20 replies
   • 9.1k views
   • 
   • music
   • July 21, 2012

5. MPG vs. changing weather 1 2

   By 99gst_racer, December 19, 2011
   • 23 replies
   • 4.7k views
   • 
   • 99gst_racer
   • June 12, 2012

6. 5.3l Gas Saving Mods? 1 2 3

   By Badshot, May 10, 2011
   • 42 replies
   • 28.3k views
   • 
   • MedicPilot
   • April 10, 2012

7. Reduction In Mileage Tire Change 245 To 265 1 2

   By rat454, October 19, 2011
   • 18 replies
   • 20.2k views
   • 
   • rat454
   • March 8, 2012

8. Gas mileage 1 2

   By Mteezy94, February 16, 2012
   • 17 replies
   • 4.7k views
   • 
   • AGT
   • February 20, 2012

9. Lifted or Leveled Hybrid?

   By truebluecrew, February 16, 2012   

   • hybrid
   • 0 replies
   • 3.6k views
   • 
   • truebluecrew
   • February 16, 2012

10. Thread To Discuss Hybrid Silverado/sierra Fuel Savings Techniques

    By beofotch, January 10, 2011
    • 5 replies
    • 4.1k views
    • 
    • truebluecrew
    • February 16, 2012

11. 87 cheaper than E85 1 2

    By ambro_52, December 27, 2011
    • 18 replies
    • 3.9k views
    • 
    • Nick The Great
    • January 23, 2012

12. e-85 equivilent to 104 octane? 1 2

    By 2010LTZ4x4, November 10, 2011
    • 24 replies
    • 4.7k views
    • 
    • MikeNH
    • January 15, 2012

13. Lower Gears Higher Highway Mpg? 1 2 3

    By TheGreekIndian, December 25, 2010
    • 44 replies
    • 22k views
    • 
    • kstruckcountry
    • January 14, 2012

14. Does my mileage sound right?

    By JustinB, January 7, 2012   

    • 5.3
    • mpg
    • (and 7 more)

      Tagged with:

      • 5.3
      • mpg
      • 2008
      • 0 vin
      • ltz
      • silverado
      • flex fuel
      • mileage
      • maintenance
    • 9 replies
    • 3.9k views
    • 
    • ambro_52
    • January 11, 2012

15. Running premimum gas 1 2 3

    By gmyeah, December 15, 2011
    • 35 replies
    • 8.1k views
    • 
    • kstruckcountry
    • January 8, 2012

16. 2007 5.3L AFM - What is the best hand held tuner for fuel economy

    By 07silly, December 30, 2011   

    • 2007 silverado 34 tires
    • 2007 5.3l afm tune
    • 5 replies
    • 6.1k views
    • 
    • BlackZ71Silverado
    • January 1, 2012

17. 2500hd 6.0l Gas Mileage. 1 2

    By mrose, December 13, 2010
    • 27 replies
    • 28.5k views
    • 
    • 8.1HD/ALLISON
    • December 25, 2011

18. 1 St E-85 Fill Up 1 2

    By FrankJB, May 22, 2011
    • 27 replies
    • 6.1k views
    • 
    • the blur
    • December 19, 2011

19. Truck Caps And Fuel Economy

    By c0boy, April 14, 2011
    • 14 replies
    • 7.8k views
    • 
    • NHSilverado
    • December 15, 2011

20. interesting fuel economy increase

    By uchi, December 5, 2011
    • 3 replies
    • 1.9k views
    • 
    • uchi
    • December 13, 2011

21. Cold Air Intake?

    By pbmboy, August 31, 2011
    • 14 replies
    • 3.9k views
    • 
    • ifshinxs
    • December 3, 2011

22. flex fuel and shelf life ?

    By d.mehrl, November 27, 2011
    • 8 replies
    • 2.2k views
    • 
    • AzDragonLord
    • December 1, 2011

23. Gas Mileage 1 2 3 4 8

    By reidrhollander, February 14, 2011
    • 110 replies
    • 25.4k views
    • 
    • uchi
    • November 30, 2011

24. 07 Silverado Afm Questions

    By nashss, October 6, 2011
    • 3 replies
    • 3k views
    • 
    • frdfandc
    • November 26, 2011

25. 2009 Sierra 5.3. Horrible Fuel Economy. Help! 1 2 3

    By Parsonsjb88, October 3, 2011
    • 32 replies
    • 18.5k views
    • 
    • RockySierra
    • November 24, 2011

26. Mpg With 22" Vs 20" Wheels

    By bhsballer76, August 30, 2011
    • 8 replies
    • 10.7k views
    • 
    • BlackZ71Silverado
    • November 6, 2011