Hybrids, XFE, & Active Fuel Management

568 topics in this forum

1. Gas Mileage 1 2 3 4 8

   By reidrhollander, February 14, 2011
   • 110 replies
   • 25.7k views
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   • uchi
   • November 30, 2011

3. 07 Silverado Afm Questions

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

4. 2009 Sierra 5.3. Horrible Fuel Economy. Help! 1 2 3

   By Parsonsjb88, October 3, 2011
   • 32 replies
   • 19.3k views
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   • RockySierra
   • November 24, 2011

5. Mpg With 22" Vs 20" Wheels

   By bhsballer76, August 30, 2011
   • 8 replies
   • 11.5k views
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   • BlackZ71Silverado
   • November 6, 2011

6. Top Tier Gas - Citgo?

   By blairlee, October 28, 2011
   • 12 replies
   • 6.8k views
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   • RockySierra
   • November 2, 2011

7. Gas Mileage Mpg Increase With Air Deflector Extension

   By disarticulate, July 8, 2011
   • 12 replies
   • 13k views
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   • sic lsx
   • October 26, 2011

8. Tune?

   By BigRed41, October 20, 2011
   • 3 replies
   • 1.5k views
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   • Stevens03
   • October 20, 2011

9. 08 Chev Silverado 1500

   By Ballard, August 18, 2011
   • 0 replies
   • 3.6k views
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   • Ballard
   • September 22, 2011

10. 2011 Gmc Sierra 1500 5.3 4x4 3.42 Axle

    By Horsewithnoname, April 13, 2011
    • 0 replies
    • 17k views
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    • Horsewithnoname
    • September 9, 2011

11. Premium Gas = Better Mileage

    By sack1, August 28, 2011
    • 0 replies
    • 6.7k views
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    • sack1
    • September 3, 2011

12. Towing On E-85

    By mike94silverado, April 16, 2011
    • 0 replies
    • 7.1k views
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    • mike94silverado
    • August 20, 2011

13. 2011 Dmax Mpg

    By HDGMC, April 19, 2011
    • 0 replies
    • 5.8k views
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    • HDGMC
    • August 19, 2011

14. Not As Bad As I Was Expecting

    By THABULL, August 18, 2011
    • 0 replies
    • 1.6k views
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    • THABULL
    • August 18, 2011

15. Fuel Efficiency Issues

    By GerryL98, August 1, 2011
    • 0 replies
    • 1.7k views
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    • GerryL98
    • August 3, 2011

16. 6.2l Fuel Economy Mpg

    By zacharywhitson, July 25, 2011
    • 0 replies
    • 2.4k views
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    • zacharywhitson
    • July 27, 2011

17. Throttle Body Spacers

    By dwhitton, July 22, 2011
    • 0 replies
    • 5.8k views
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    • dwhitton
    • July 25, 2011

18. Actual Fuel Economy

    By redkaz04, July 21, 2011
    • 0 replies
    • 1.9k views
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    • redkaz04
    • July 21, 2011

19. When Do You See Issues?

    By AzDragonLord, July 18, 2011
    • 0 replies
    • 1.6k views
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    • AzDragonLord
    • July 18, 2011

20. How Can I Get My Gas Mileage Back?

    By jtupper, July 7, 2011
    • 0 replies
    • 2.1k views
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    • jtupper
    • July 7, 2011

21. E-10 Vs. Non-ethanol Fuel

    By Yukon1999FLA, July 1, 2011
    • 0 replies
    • 2.2k views
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    • Yukon1999FLA
    • July 2, 2011

22. 17" Vs 20" Oem Wheels And Fuel Economy

    By temmert1, June 24, 2011
    • 0 replies
    • 5.1k views
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    • temmert1
    • June 29, 2011

23. Flo Pro True Dual Exhaust

    By wsmktm413, June 24, 2011
    • 0 replies
    • 2.6k views
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    • wsmktm413
    • June 25, 2011

24. Indexing Plugs Gain Anything On Stock?

    By &CDFiXER%, June 12, 2011
    • 0 replies
    • 1.3k views
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    • &CDFiXER%
    • June 13, 2011

25. Best Intake For Better Gas Mileage?

    By c.j., April 25, 2011
    • 0 replies
    • 20k views
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    • c.j.
    • June 12, 2011

26. Fuel Economy Problem

    By shrinee, June 5, 2011
    • 0 replies
    • 2.6k views
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    • shrinee
    • June 12, 2011