Turbo XS Boost controller adjustment
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This is a discussion on Turbo XS Boost controller adjustment within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; So, I'm new to this tuning thing. I just bought my car a couple months ago and the one thing ...

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    Turbo XS Boost controller adjustment

    So, I'm new to this tuning thing. I just bought my car a couple months ago and the one thing I bought I just received, a Turbo XS high boost controller. Now, it seems easy enough to adjust and install by myself, however, how the heck do you know what boost you are setting on it? My goal was to turn it up to about 16psi. Does anyone know if that will be overly detrimental to the engine? Thanks!

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    Quote Originally Posted by hermanopedro View Post
    So, I'm new to this tuning thing. I just bought my car a couple months ago and the one thing I bought I just received, a Turbo XS high boost controller. Now, it seems easy enough to adjust and install by myself, however, how the heck do you know what boost you are setting on it? My goal was to turn it up to about 16psi. Does anyone know if that will be overly detrimental to the engine? Thanks!
    What year is your car? 02-03's can "handle" a boost controller but you should replace your up pipe cat if you are altering any boost levels. If it's a 04+ it is pretty bad to be running a BC because you can suffer from Part throttle full boost (which you can see on your 02's-03's). To be honest I wouldnt even install it, try to sell/return it and look into some real engine management like Cobb's Accesport or Turboxs Utec. This will control boost, timing, and fuel which is much better then just upping the boost.

    You would check the BC by using a boost gauge. If you dont have a boost gauge make sure you get one before installing the BC (if you do install it) as you need to watch for part throttle full boost. Good luck.
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    Registered User bcyb1029's Avatar
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    To be honest I wouldnt even install it, try to sell/return it and look into some real engine management like Cobb's Accesport or Turboxs Utec. This will control boost, timing, and fuel which is much better then just upping the boost.
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    Tuned by Jorge at P&L, 240.83whp 239.60wtq at 14.8psi on 2.0L with stock td04 (But doesn't run)

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    I have an 02 WRX. So it seems like there is no such thing as cheap power. With that said, would your recommend such things as Cobb tunings stage one and two? Or would it be better to get a TurboXS UTEC or Cobb Accessport and mix and match parts I want on my car to get power? My goal would be roughly 280ish whp.

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    280whp means you will need a new turbo, but stage 2 is the way to go. I love Cobb but if you want to save alot of $$$ look into Open ecu. In reality an ebay dp and open ecu stage 2 could only cost you $250 maybe less, that is cheap speed. As for UTEC, I wouldn't get it because you will still throw CEL's, but it is a personal choice, nice for h2o/meth though.
    Tuned by Jorge at P&L, 240.83whp 239.60wtq at 14.8psi on 2.0L with stock td04 (But doesn't run)

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    Registered User twoturbos's Avatar
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    Please don't install that MBC without a boost guage. If you do, go ahead and start planning on an engine rebuild. In fact, just send it back and use the money to buy a Cobb Accessport, like everyone has mentioned. I've been running Stage 2 for almost 2 years now, and love every second of it. It's safe, easy to use, and no cel's!
    Quote Originally Posted by Mister1rg View Post
    If you pushing out less then 20 and u have stock bov or bpv or whatever.....but your pushing more then the stock psi. say 18psi, and say you have an intake or the stock stuff deleted, does that sound chage at all or is it not affeected

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    Cobb AccessPORT

    Well, I started the bug. I purchased the Cobb AccessPORT today and quite frankly, this more power thing is bloody addicting. Thanks for the advice!

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    Quote Originally Posted by hermanopedro View Post
    Well, I started the bug. I purchased the Cobb AccessPORT today and quite frankly, this more power thing is bloody addicting. Thanks for the advice!
    Then add TBE to your setup and flash to stage 2, you'll see more gains over stock!

    Then you're ready to have your turbo upgraded with supporting mod thereafter.

    Lastly, don't install that boost controller... as you already said, you can't get cheap in terms of modifying WRX. Do it right and you'll be happier knowing you did well.

    Enjoy!
    Last edited by Me&05WRX; 04-15-2007 at 12:09 AM.
    I might be back in the market for the new STI sedan!

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    Ok, I have an 02 WRX with the full Turbo XS TBE and Turbo XS uppipe. I have the Turbo XS MBC with gauge and I run 16-17 psi daily with no issues. Like these guys said, you need to have a good exhaust system to support any boost increases.

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