Engine Related

3,140 topics in this forum

1. How to: Rocker Cover Gasket 1 2

   By ben-jamminn, August 8, 2011
   • 37 replies
   • 16.1k views
   • 
   • Gripless
   • November 17, 2023

3. Closed vs Semi vs Open Deck Blocks 1 2

   By Joker, January 18, 2010
   • 44 replies
   • 32.1k views
   • 
   • Joker
   • August 9, 2022

4. Alternator Removal, Disassembly, Testing And Reinstalling.

   By Rosssub, August 22, 2015
   • 8 replies
   • 4.9k views
   • 
   • log1call
   • December 19, 2020

5. Suitable Oils 1 2 3 4 10

   By Swindog, August 16, 2010
   • 225 replies
   • 65.5k views
   • 
   • swamp
   • August 8, 2019

6. Decapping top feed injectors - how to

   By Guest, April 25, 2014
   • 2 replies
   • 6.5k views
   • 
   • Ultraforce
   • July 6, 2019

7. How to do an EZ30R conversion 1 2

   By NotAWhiteGTB, August 23, 2010
   • 39 replies
   • 28.7k views
   • 
   • swamp
   • February 16, 2019

8. How to Holset your Subaru

   By Guest, February 27, 2016
   • 18 replies
   • 10.4k views
   • 
   • sleepr
   • May 7, 2018

9. Attn, ALL OWNERS OF CARS THAT HAVE AVCS 1 2 3

   By Guest, March 24, 2011
   • 73 replies
   • 33.7k views
   • 
   • boostin
   • February 4, 2018

10. Subaru Turbo System explained

    By Stoffa, April 1, 2009
    • 16 replies
    • 9.2k views
    • 
    • Gripless
    • January 29, 2018

11. VF Turbos what you need to know in laymans terms 1 2 3

    By Guest, August 4, 2014
    • 52 replies
    • 28k views
    • 
    • shady
    • September 5, 2017

12. DIY AFM help

    By Durty-Sanchez, May 4, 2009   

    • diy
    • afm
    • (and 1 more)

      Tagged with:

      • diy
      • afm
      • faq
    • 11 replies
    • 17.4k views
    • 
    • Joker
    • July 24, 2017

13. Turbo Oil Starvation - 1 2

    By Swindog, March 19, 2009
    • 32 replies
    • 25.3k views
    • 
    • B4 I was 250T
    • March 18, 2017

14. New AVCS Issue (V7-on) oil feed 1 2

    By Guest, June 28, 2011
    • 33 replies
    • 18.9k views
    • 
    • V7_WRX
    • March 9, 2016

15. Top feed injector seal part numbers

    By Guest, February 1, 2015
    • 8 replies
    • 5.1k views
    • 
    • dubbedup
    • October 19, 2015

16. EJ20x/y Heads (Quad Avcs) Specs?

    By DacerX, May 1, 2015
    • 11 replies
    • 6.9k views
    • 
    • Guest
    • May 4, 2015

17. Single scroll gasket genuine part numbers

    By Guest, March 25, 2014
    • 14 replies
    • 6.1k views
    • 
    • A_J_T
    • December 29, 2014

18. How to get power out of your WRX/STI 1 2

    By Guest, July 2, 2013
    • 26 replies
    • 13k views
    • 
    • lachlan
    • April 26, 2014

19. flipping the manifold 1 2 3 4

    By off2harrys, May 3, 2009
    • 94 replies
    • 29.8k views
    • 
    • Trent
    • March 25, 2014

20. surge tank setup 1 2

    By loner, July 4, 2013
    • 43 replies
    • 9.4k views
    • 
    • funkytown
    • December 22, 2013

21. DIY Spark plug

    By kingersman, June 10, 2010
    • 12 replies
    • 5.9k views
    • 
    • Marky
    • June 19, 2013

22. Running in

    By Guest, May 24, 2010
    • 18 replies
    • 6.7k views
    • 
    • nickmcgill
    • December 28, 2012

23. How to bypass the heater core to stop the engine overheating 1 2

    By Guest boostin, April 18, 2010
    • 32 replies
    • 16k views
    • 
    • turborunner
    • July 21, 2012

24. HYBRID COMPRESION RATIO'S???

    By Jaebee, July 27, 2025
    • 0 replies
    • 0 views
    • 
    • Jaebee
    • July 27, 2025

25. EFR turbos

    By Gripless, February 25, 2025
    • 0 replies
    • 115 views
    • 
    • Gripless
    • February 25, 2025

26. Post top mount intercooler airflow?

    By Gripless, January 3, 2025
    • 0 replies
    • 278 views
    • 
    • Gripless
    • January 3, 2025