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  1. Engine Modifications
    So my turbo will need to be replaced in a bit. So I'm starting the research now, and I am asking for your guy's experience. I don't want a bigger turbo, same size, same boost. Ball bearing? OEM? I believe the stock turbo on my car is the VF52 I don't want to mess with fueling if I don't...
  2. Tuning: Electronic Engine Management
    Hello, so I am pretty new to tuning and honestly don't know alot about it. But I currently have a 2011 subaru wrx and the owner before me put a Tomioka Racing TR TD05-18G Turbo on the car. I was wondering if this turbo was compatible with cobb tunes and if so which ones. I can't find much about...
  3. Engine Modifications
    Hi guys, Just got a 2019 WRX 6MT base in June. It has been awesome until a couple days ago. I noticed that under normal driving I was struggling to hit boost at all and maxing out at around 7psi when I give it more acceleration. I suspected a boost leak but my chargepipe and throttle body...
  4. General Maintenance, Troubleshooting & Accidents.
    Hi, so I have a 2006 wrx limited. Originally it would reach 18-20 psi and get up there ratcher fast. I had an issue one night where it didn’t want to boost over 10psi and would randomly feel like it would cut out. I cleaned my MAF and I had unplugged my grimspeed 3 port boost controller and...
  5. Everyday Impreza Talk
    Hi there I bought this turbo a while back and now I'm going to sell it. I think it's a Blouch 1.5xtr 7cm, but someone told me there are different generations. Could someone please help me and tell me what gen it is and what the numbers on the back mean. Cheers!
  6. Engine Modifications
    Hello to whomever may read, I need help with a coolant return line. I have a 2003 WRX I am putting a bigger turbo along with other things on the vehicle. A buddy of mine gave me a Rev9 Td05 16G turbo on a discount and the coolant return line that came with the new turbo is absolutely useless...
  7. Engine Modifications
    What's up everyone new here I have a 2015 WRX limited and a 2002 WRX my question is I want more HP out of my 02. mods are ARP head studs, Manley single turbo tuff I-beem connecting rods with ARP 625+ bolts, grim speed head/tgv and intake gaskets, Roger Clark billet tgv delete kit, 565 sti...
  8. General Maintenance, Troubleshooting & Accidents.
    Hey guys having some problems with my Turbo lately mostly when my turbo goes to 21psi the whole gauge jumps i checked the tubing so its definetly not a Vac leak
  9. Engine Modifications
    I have a 08 wrx and I had the IHI vf52 turbo but it blew I was looking for some advice if I should run a different turbo or get the same one?
  10. Maintenance, service, and repair
    I’m new to this and I have an 08 wrx the guy I got the car off of had a vf52 turbo pro tuned to 18 psi but I’ve been experiencing what I think is boost creep and was wondering where a good starting point on diagnosing it would be?
  11. Maintenance, service, and repair
    I’m creating this post because my 2016 Subaru WRX was blowing white smoke after coming to a complete stop and a little bit going from a complete stop also a little bit from giving it a slight rev, once I let go of the gas and put it in neutral it blows white smoke for about 4-5 seconds then...
  12. Engine Modifications
    Oh I have many questions. Is this a boost control? Top hose goes to turbo and bottom hose goes to wastegate.
  13. Everyday Impreza Talk
    I have a 2010 wrx limited I took it in to get it looked at an they said I need a new turbo I'm done to these 3 choices for my budget dorman cardone or mahle which is better
  14. Everyday Impreza Talk
    2010 WRX Limited:
  15. Engine Modifications
    Hey guys! So I picked up an EJ205 from a 2003 WRX on FB Marketplace and I needed a few parts before I swap it into my Forester (EJ253). My questions are: Would there be issues with using the 253 ECU and/or bulkhead wiring harness with the 205? Is a 2002 WRX ECU (ECU Sticker Label "V2")...
  16. Engine Modifications
    I have a 2002 wrx with the stock td04. I recently discovered that one of the downpipe to turbo studs on the turbine housing was stripped out and repaired incorrectly sometime in the past. The stud does not line up correctly with the downpipe gasket and creates a really bad exhaust leak. I...
  17. General Maintenance, Troubleshooting & Accidents.
    hey everyone! first post here and i’m really hoping we can get this figured out. working with my 2016 wrx limited with tgv egr delete, downpipe and boost controller it has a new professionally installed iag stage 2 block. for around 100k miles i was running a bren dyno tune, it was...
  18. Engine Modifications
    Hello all!, I’m very new to subie, I have a 2016 wrx with an MAF engine system. I’ve read that BOV’s mess with your computers communication if you’re running a MAF (mass airflow sensor) system. Is a diverter valve the same? I’ve read not having an escape for pressure isn’t good for the wrx...
  19. Transmission & AWD
    My 2004 wrx has been at the shop waiting to get tuned for the past week. They got it on the dyno and the car made a whopping 2 lb of boost. Some context on the car: jdm ej205 avcs drive by cable, jdm v8 sti ecu, avcs wired in, no boost leaks smoke test and pressure tests didn’t show anything...
  20. Tuning: Electronic Engine Management
    My 2004 wrx has been at the shop waiting to get tuned for the past week. They got it on the dyno and the car made a whopping 2 lb of boost. Some context on the car: jdm ej205 avcs drive by cable, jdm v8 sti ecu, avcs wired in, no boost leaks smoke test and pressure tests didn’t show anything...
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