Engine Related

3,136 topics in this forum

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

   By Guest, March 1, 2011
   • 150 replies
   • 12.8k views
   • 
   • Guest
   • April 7, 2011

3. spark plug gap size 1 2 3 4 6

   By Guest, September 10, 2011
   • 142 replies
   • 10.1k views
   • 
   • Guest
   • September 15, 2011

4. Baffled sump 1 2 3 4 6

   By AdamOst, June 23, 2013
   • 132 replies
   • 11.1k views
   • 
   • Optical
   • January 22, 2014

5. Garrett turbos comparisons. 1 2 3 4 6

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

6. 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

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

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

8. 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

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

   By Guest, April 22, 2009
   • 117 replies
   • 16k views
   • 
   • Swindog
   • September 6, 2012

10. 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
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    • BC5RA
    • May 22, 2010

11. shop that can fix manifold 1 2 3 4 5

    By tez n u, June 3, 2012
    • 104 replies
    • 8.4k views
    • 
    • Minaj
    • August 31, 2013

12. Chinese made turbos 1 2 3 4 5

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

13. Rebuild Options... - Opinions 1 2 3 4 5

    By scooby-wrx, July 30, 2012
    • 104 replies
    • 10.4k views
    • 
    • scooby-wrx
    • July 25, 2013

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

    By BMCracer, February 15, 2020
    • 102 replies
    • 18.4k views
    • 
    • ajayel
    • September 22, 2021

15. Problem with version 7 STi boost control 1 2 3 4 5

    By ben-jamminn, October 6, 2012
    • 101 replies
    • 8.9k views
    • 
    • Pappu1
    • December 4, 2012

16. Oil levels for track racing 1 2 3 4

    By J CHILN, February 13, 2018
    • 99 replies
    • 10.5k views
    • 
    • Not_Sean
    • March 1, 2018

17. VF22 on a 2LT WRX engine 1 2 3 4

    By Pappu1, May 7, 2010
    • 98 replies
    • 8.9k views
    • 
    • Guest
    • May 17, 2010

18. highest octane. 1 2 3 4

    By Guest, May 25, 2011
    • 95 replies
    • 8.8k views
    • 
    • vorigan
    • July 13, 2011

19. Off Boost Compressor Surge 1 2 3 4

    By Stoffa, September 2, 2012
    • 94 replies
    • 7.1k views
    • 
    • vorigan
    • January 1, 2013

20. wastegate position. 1 2 3 4

    By Guest, April 17, 2011
    • 92 replies
    • 12.3k views
    • 
    • vorigan
    • April 24, 2011

21. TDO5H Or a VF28 TURBO! 1 2 3 4

    By uwa8nc, May 23, 2010
    • 86 replies
    • 9.3k views
    • 
    • kamineko
    • May 26, 2010

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

    By loner, January 28, 2015
    • 86 replies
    • 19.6k views
    • 
    • loner
    • February 10, 2015

23. 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
    • 14k views
    • 
    • Andy_Mac
    • December 13, 2023

24. Is AVCS worth the effort? 1 2 3 4

    By ReubenH, December 2, 2009
    • 85 replies
    • 10.2k views
    • 
    • Guest
    • December 9, 2009

25. FMIC fan? 1 2 3 4

    By Guest, January 6, 2013
    • 85 replies
    • 6.2k views
    • 
    • titian
    • January 11, 2013

26. Help find my missing power. 1 2 3 4

    By AdamOst, May 9, 2012
    • 83 replies
    • 5.5k views
    • 
    • Wiretap
    • May 11, 2012