Engines & Drivetrain

2,739 topics in this forum

1. Towing on E85, can't recommend 1 2

   By Brian S., October 6, 2014
   • 26 replies
   • 12.5k views
   • 
   • Jennabear
   • October 29, 2014

2. Blackbear Tune - Need Help deciding what to buy prior to December Meet

   By Zasker1, October 27, 2014
   • 1 reply
   • 1.2k views
   • 
   • Jennabear
   • October 29, 2014

3. What gas do you use in you 2014 gmc sierra? 1 2 3 4 6

   By JJRS89, June 7, 2014
   • 82 replies
   • 43.2k views
   • 
   • KARNUT
   • October 29, 2014

4. New Ring Gear Break-In?

   By EPIC CAJUN, October 28, 2014
   • 7 replies
   • 1.5k views
   • 
   • EPIC CAJUN
   • October 28, 2014

5. Is anyone offering gears for a 5.3 and where do I find my current rati

   By Slo281, October 22, 2014
   • 8 replies
   • 1.6k views
   • 
   • fondupot
   • October 27, 2014

6. E85 Gas gets more HP...wow 1 2 3 4

   By allterrain14, October 17, 2014
   • 45 replies
   • 26.4k views
   • 
   • Test Alpha
   • October 24, 2014

7. Phoenix - Blackbear Tune

   By Zasker1, October 23, 2014
   • 1 reply
   • 1.2k views
   • 
   • randalldavis
   • October 24, 2014

8. Black Bear, Charlotte, NC, Dec 4-5, 2014

   By 480Ruger, October 10, 2014
   • 5 replies
   • 1.6k views
   • 
   • Mutau95
   • October 24, 2014

9. Clean injectors at 25k miles? 1 2

   By Retired Bob, October 3, 2014
   • 29 replies
   • 7.1k views
   • 
   • Black02Silverado
   • October 23, 2014

10. 5.3 vs 6.2 mpg 1 2 3

    By mikern, September 9, 2014
    • 35 replies
    • 22.8k views
    • 
    • glcbn
    • October 23, 2014

11. 4.3L Ecotec3 exhaust mod video!!! 1 2

    By losky79, May 15, 2014
    • 26 replies
    • 17.8k views
    • 
    • Dmendrin
    • October 19, 2014

12. Tuning manual trans mode.. 1 2

    By Sooperdave, September 5, 2014
    • 29 replies
    • 3.5k views
    • 
    • Sooperdave
    • October 18, 2014

13. I want this to work

    By 2014MallCrawler, October 13, 2014
    • 2 replies
    • 1.5k views
    • 
    • 2014MallCrawler
    • October 14, 2014

14. First heavy tow

    By austingta, October 10, 2014
    • 6 replies
    • 1.9k views
    • 
    • austingta
    • October 12, 2014

15. What type of gas yall use 1 2 3 4

    By silverado23956, April 5, 2014
    • 49 replies
    • 8k views
    • 
    • djklassik
    • October 8, 2014

16. Borla is offering a free exhaust to a 2014 Silverado or Sierra owner 1 2

    By Zane, June 19, 2013   

    • borla
    • 2014
    • (and 5 more)

      Tagged with:

      • borla
      • 2014
      • silverado
      • sierra
      • cat-back
      • aftermarket
      • exhaust
    • 21 replies
    • 15.9k views
    • 
    • jwhimmelrick
    • October 7, 2014

17. sprint booster 1 2

    By gilleydog, September 27, 2014
    • 21 replies
    • 6.5k views
    • 
    • Bonker
    • October 7, 2014

18. Black bear tune 1 2

    By Dj0nes, August 31, 2014
    • 24 replies
    • 8.7k views
    • 
    • sugarjohnson
    • October 7, 2014

19. Gear Ratio's and Final Drive Spreadsheet

    By J.Wilhelm, October 5, 2014   

    • 5.3
    • 2014
    • (and 2 more)

      Tagged with:

      • 5.3
      • 2014
      • 6.2
      • 4.3
    • 5 replies
    • 3.6k views
    • 
    • fondupot
    • October 7, 2014

20. Is the 6.2L just a stroked 5.3L, or a completely different block? 1 2

    By BaltimoreCaesar, October 1, 2014
    • 18 replies
    • 58.4k views
    • 
    • Big Whiskey
    • October 7, 2014

21. To tune or not to tune - worth voiding the warranty? 1 2

    By OUSux, September 22, 2014
    • 18 replies
    • 6.1k views
    • 
    • 2014MallCrawler
    • October 6, 2014

22. Exhaust on 4.3?

    By moto111, September 26, 2014
    • 2 replies
    • 1.3k views
    • 
    • J.Wilhelm
    • October 5, 2014

23. Any one know where to buy these OEM engine clips?

    By bladz1454, September 26, 2014
    • 4 replies
    • 1.2k views
    • 
    • bladz1454
    • September 30, 2014

24. Diff capacities

    By steveved, September 15, 2014
    • 12 replies
    • 29.8k views
    • 
    • CAtaylor
    • September 30, 2014

25. Installed Corsa Sport on my '14 6.2 - not impressed 1 2

    By SAMCRO, September 9, 2014
    • 18 replies
    • 12.9k views
    • 
    • dobdabomb
    • September 28, 2014