Engines & Drivetrain

2,740 topics in this forum

1. 2014+ Exhaust Systems & Mufflers 1 2 3 4 204

   By Escalade1979, December 12, 2013
   • 3k replies
   • 887.9k views
   • 
   • MikeBMW
   • August 2, 2024

2. 2014+ Gas Mileage (MPG) Topic 1 2 3 4 104

   By BringTheRain403, July 21, 2013
   • 1.6k replies
   • 484.1k views
   • 
   • Grumpy Bear
   • March 22, 2022

3. 2014+ Engine & Transmission Tuning 1 2 3 4 72

   By pendragon, July 23, 2013   

   • 2014
   • 1.1k replies
   • 469.4k views
   • 
   • newdude
   • June 21, 2023

4. 2014+ Intakes (CAI) & Air Filters 1 2 3 4 62

   By GMC-AT, September 22, 2013
   • 915 replies
   • 390.2k views
   • 
   • 16LT4
   • June 25, 2022

5. 2014+ AFM (Active Fuel Management) 1 2 3 4 38

   By Ron.s, December 9, 2013
   • 555 replies
   • 297.7k views
   • 
   • CamGTP
   • November 13, 2025

6. Oil catch can? 1 2 3 4 125

   By C25A1guy, October 1, 2013
   • 1.9k replies
   • 370.5k views
   • 
   • SamSin
   • February 12, 2021

7. The "Catch Can" Explained - By Elite Engineering 1 2 3 4 47

   By Elite Engineering, April 17, 2015   

   • catch can pcv elite engineering
   • 698 replies
   • 231.3k views
   • 
   • ToesonTheNose
   • September 7, 2019

8. Still Not Sold On A Catch Can? Check Here... 1 2 3 4 32

   By JRaschke11, November 22, 2015
   • 476 replies
   • 222.6k views
   • 
   • azsteve01
   • January 27, 2020

9. E85? 1 2 3 4 22

   By philbilly20, December 10, 2014
   • 326 replies
   • 47.2k views
   • 
   • Cowpie
   • November 8, 2015

10. Installed ADD W1 Oil Catch Can 1 2 3 4 22

    By EXSlider400, February 1, 2015
    • 323 replies
    • 108k views
    • 
    • DonyayWest
    • November 22, 2024

11. the first person to get an Edelbrock SC on a 6.2! 1 2 3 4 18

    By bass mechanic, June 14, 2014
    • 262 replies
    • 34.8k views
    • 
    • Jennabear
    • August 29, 2014

12. Intake clean. WOW! 1 2 3 4 18

    By bdbake01, March 22, 2015
    • 258 replies
    • 160.3k views
    • 
    • ByronSing95
    • April 3, 2023

13. Muffler Delete 1 2 3 4 17

    By 2014 Sporty Shorty, October 17, 2013
    • 252 replies
    • 105.5k views
    • 
    • 1300c
    • March 21, 2017

14. Texas speed headers 1 2 3 4 15

    By ChevyTrucks_95, November 23, 2015
    • 217 replies
    • 63.9k views
    • 
    • Rawyzf
    • February 18, 2020

15. Turbo 6.2 almost done!! 1 2 3 4 14

    By DenaliX14, May 16, 2019   

    • turbo
    • sierra
    • (and 3 more)

      Tagged with:

      • turbo
      • sierra
      • denali
      • 6.2
      • 1500
    • 207 replies
    • 40.7k views
    • 
    • Granite7
    • February 18, 2020

16. 6.2 Exhaust, What do you have? 1 2 3 4 14

    By SY2455, April 13, 2014
    • 202 replies
    • 87.1k views
    • 
    • pwgsx
    • July 24, 2019

17. Transmission Thermostat Delete Pros vs. Cons 1 2 3 4 14

    By Eddie 70, July 30, 2020
    • 202 replies
    • 170.4k views
    • 
    • PrairieGM
    • October 10, 2023

18. Im sorry, but it is kind of funny GM 21-NA-199 1 2 3 4 14

    By 14burrito, November 10, 2021
    • 198 replies
    • 55.3k views
    • 
    • F4Gary
    • March 25, 2022

19. Ordered a whipple! Anyone that's got any tips or insight plea 1 2 3 4 13

    By Denali62, November 25, 2016
    • 194 replies
    • 40.7k views
    • 
    • Denali62
    • November 23, 2017

20. 6.2 with afe intake = 36hp! 1 2 3 4 13

    By truckguy82, January 14, 2017
    • 192 replies
    • 60.3k views
    • 
    • SierraHD17
    • April 8, 2019

21. Choice of rear axle ratio would you pick? 1 2 3 4 13

    By coachrider, August 22, 2013
    • 188 replies
    • 118.9k views
    • 
    • cato
    • March 30, 2016

22. 5.3 versus 6.2 1 2 3 4 13

    By ASW, November 21, 2013
    • 184 replies
    • 32.4k views
    • 
    • Roidz
    • July 14, 2014

23. Instead of catch can, why not delete PCV? 1 2 3 4 13

    By SquireSCA, August 15, 2019
    • 181 replies
    • 52k views
    • 
    • Grumpy Bear
    • March 28, 2021

24. Intake manifold swap? 1 2 3 4 12

    By Meethead, December 2, 2016
    • 179 replies
    • 87.2k views
    • 
    • Weazelwacker
    • February 18, 2019

25. Range Technology V8 AFM Disable Module 1 2 3 4 12

    By Lmlduradenali, October 19, 2013
    • 170 replies
    • 83.6k views
    • 
    • nluchau
    • December 6, 2017