Engine Related

3,136 topics in this forum

1. BP 98 vs Mobil 98 1 2

   By mtbtimr, July 1, 2018   

   • gas,octane
   • 36 replies
   • 26.3k views
   • 
   • Abomb
   • May 26, 2020

3. Genuine EJ207 STi Replacement Short Block is not forged 1 2 3 4

   By loner, January 28, 2015
   • 86 replies
   • 19.5k views
   • 
   • loner
   • February 10, 2015

4. Average Torque Performance Tune? 1 2 3 4 7

   By Niran, April 4, 2016
   • 162 replies
   • 18.7k views
   • 
   • JAPSPX_v7
   • September 27, 2017

5. EZ30 Not running very well 1 2 3 4 5

   By BMCracer, February 15, 2020
   • 102 replies
   • 18.3k views
   • 
   • ajayel
   • September 22, 2021

6. DIY - Twisted Turbo Setup 1 2 3

   By Swindog, March 23, 2009
   • 58 replies
   • 18k views
   • 
   • lachlan
   • April 18, 2013

7. Straight Bolt On Turbos 1 2 3 4 7

   By Guest, May 10, 2011
   • 169 replies
   • 16.5k views
   • 
   • vorigan
   • May 19, 2011

8. SUBARU Upper Engine Cleaner...anyone used this? 1 2 3 4 5

   By Hailz, August 24, 2009
   • 121 replies
   • 16.5k views
   • 
   • Guest
   • January 13, 2011

9. DIY Knock sensor listening - detecting detonation 1 2

   By gazzy2000, December 9, 2009
   • 41 replies
   • 16k views
   • 
   • Guest
   • July 8, 2013

10. DIY split fuel rails Reply #3 1 2 3 4 5

    By Guest, April 22, 2009
    • 117 replies
    • 15.9k views
    • 
    • Swindog
    • September 6, 2012

11. 2.35 Build 1 2

    By raijin, April 6, 2014
    • 41 replies
    • 15.5k views
    • 
    • Aurai
    • June 26, 2014

12. Project Kinder Surprise - engine build 1 2 3 4

    By Gripless, March 8, 2019   

    • engine build
    • ej20
    • (and 4 more)

      Tagged with:

      • engine build
      • ej20
      • twisted
      • best of everything
      • efr
      • 10k rpm
    • 85 replies
    • 13.8k views
    • 
    • Andy_Mac
    • December 13, 2023

13. Garrett turbos comparisons. 1 2 3 4 6

    By funkytown, February 21, 2012
    • 129 replies
    • 13.6k views
    • 
    • Guest
    • December 31, 2014

14. Having your cake and eating it as well... 1 2 3 4 7

    By Guest, March 1, 2011
    • 150 replies
    • 12.7k views
    • 
    • Guest
    • April 7, 2011

15. Cheap fix for dead o2 sensors

    By neil2121, July 22, 2011
    • 17 replies
    • 12.6k views
    • 
    • B4_685
    • June 5, 2013

16. DIY - Battery Relocation 1 2

    By nt_a_foz, June 29, 2009
    • 31 replies
    • 12.5k views
    • 
    • hang009
    • October 21, 2012

17. wastegate position. 1 2 3 4

    By Guest, April 17, 2011
    • 92 replies
    • 12.2k views
    • 
    • vorigan
    • April 24, 2011

18. Science Behind Intercooler Piping Sizing

    By Niran, May 7, 2018
    • 18 replies
    • 12.1k views
    • 
    • swamp
    • September 8, 2018

19. Full list of fault codes

    By Guest boostin, August 2, 2009
    • 7 replies
    • 11.7k views
    • 
    • soobie spinner
    • January 8, 2011

20. Front-mount on worked 1st-gen. Worth it 1 2 3 4 5

    By BLSTIC, February 24, 2009
    • 117 replies
    • 11.4k views
    • 
    • Guest
    • July 24, 2011

21. Baffled sump 1 2 3 4 6

    By AdamOst, June 23, 2013
    • 132 replies
    • 11k views
    • 
    • Optical
    • January 22, 2014

22. 97 gtb wagon vs 03 forester stb 1 2 3 4 6

    By Guest, January 30, 2012
    • 126 replies
    • 11k views
    • 
    • Nick_96_RSB
    • February 7, 2012

23. how much power max can a GDB sti motor handle 1 2 3 4 5

    By Guest, May 18, 2010
    • 115 replies
    • 10.9k views
    • 
    • BC5RA
    • May 22, 2010

24. Chinese made turbos 1 2 3 4 5

    By wildturkey, December 27, 2009
    • 104 replies
    • 10.7k views
    • 
    • Guest
    • March 6, 2010

25. DIY top mounted intercooler 1 2 3

    By scottiescottiescottie, October 5, 2011
    • 70 replies
    • 10.6k views
    • 
    • scottiescottiescottie
    • June 25, 2013

26. TD06SL2 20G vs 60-1 1 2

    By kris_pran, April 29, 2014
    • 43 replies
    • 10.5k views
    • 
    • boon
    • May 2, 2014